
An investigative analysis of the "dark patterns" allegedly used to trick customers into unwanted monthly subscriptions
Rachel Thompson completed what she thought was a straightforward purchase: an ESA letter for $149 to help her keep her dog in her new apartment. She entered her payment information, clicked "Complete Purchase," and received her confirmation email.
Three months later, while reviewing her credit card statement, Thompson discovered something that made her stomach drop: three separate $14.99 charges from Pettable.com—$44.97 she never authorized and didn't remember agreeing to pay.
"I read every word on that checkout page," Thompson insists. "Or at least I thought I did. I never saw anything about monthly charges. I would never have agreed to that."
But when Thompson went back and carefully examined screenshots she'd taken of the checkout process, she found it: a small, pre-checked checkbox buried in a wall of text, using language that seemed designed to be overlooked. The checkbox that would cost her hundreds of dollars if she didn't actively opt out.
Thompson's experience is far from unique. According to complaints filed with the Better Business Bureau, dozens of Pettable.com customers report discovering unwanted subscription charges months after purchase—charges they never knowingly authorized. The culprit? What user experience (UX) experts call "dark patterns"—deceptive design elements intentionally crafted to trick users into making choices they don't intend.
This investigation exposes the specific techniques Pettable.com allegedly uses, why they're so effective at manipulating customers, and what the law says about consent and subscription enrollment.
Before examining Pettable.com's specific practices, we need to understand what dark patterns are and why they're so controversial.
Dr. Harry Brignull, a UX specialist who coined the term "dark patterns" in 2010, defines them as "tricks used in websites and apps that make you do things that you didn't mean to, like buying or signing up for something."
Dark patterns aren't bugs or accidents—they're intentional design choices that exploit human psychology to manipulate user behavior. Common types include:
Sneak Into Basket: Adding items to a shopping cart without explicit user consent Trick Questions: Wording questions to trick users into giving unexpected answers Disguised Ads: Advertisements disguised as content or navigation Forced Continuity: Charging for services after a free trial without clear warning Hidden Costs: Revealing unexpected charges at the final step of checkout Misdirection: Directing attention away from information the user needs Roach Motel: Making it easy to get into a situation but hard to get out
Pettable.com's allegedly problematic checkout process incorporates several of these patterns simultaneously.
To understand how Pettable.com's checkout allegedly tricks users, we need to examine the design choices element by element.
At the heart of the issue is a pre-checked checkbox for the "ESA Letter Value Bundle"—Pettable.com's $14.99/month subscription service.
Why This Is Problematic:
UX expert Dr. Susan Weinschenk explains: "Pre-checked boxes exploit inattentional blindness—the psychological phenomenon where people fail to notice unexpected objects or information when their attention is focused elsewhere. During checkout, users are focused on completing their purchase, reviewing the price, and entering payment information. A pre-checked box doesn't register as something requiring action."
In ethical e-commerce design, subscription opt-ins should:
Start unchecked (requiring active opt-in)
Use clear, distinct visual design
Appear separate from required fields
Include explicit language like "Yes, charge me $14.99 every month"
According to customer reports and BBB complaints, Pettable.com's checkbox allegedly:
Starts pre-checked (requiring active opt-out)
Blends visually with surrounding elements
Uses vague language about "value" and "benefits"
Appears embedded within a larger block of checkout information
Customer testimonials consistently describe the subscription checkbox as appearing:
Below multiple paragraphs of text
After several other checkboxes (terms of service, privacy policy, etc.)
In a position that doesn't draw visual attention
Without clear visual separation from surrounding content
"It was somewhere in the middle of the page, after I'd already read through the terms and conditions checkboxes," Rachel Thompson recalled. "By that point, my brain was in 'checkbox clicking mode.' I was just trying to get through the legal stuff to complete my purchase."
Visual Hierarchy Manipulation:
Dr. Amanda Rodriguez, a UX researcher specializing in e-commerce, explains: "Good design uses visual hierarchy—size, color, position, spacing—to guide users' attention to the most important information. When a subscription opt-in is buried among less important elements, that's deliberate misdirection. The designer is hoping users won't notice it."
Instead of clear, direct language like "Subscribe to monthly service for $14.99/month," customer reports suggest Pettable.com uses more ambiguous phrasing around concepts like:
"ESA Letter Value Bundle"
"Exclusive membership benefits"
"Priority support package"
"Enhanced service tier"
This language focuses on perceived benefits rather than clearly stating "This is a recurring monthly charge."
Linguistic Obfuscation:
Professor Michael Norton, behavioral economist at Harvard Business School, notes: "When companies want informed consent, they use clear, simple language. When they want to obscure what customers are agreeing to, they use jargon, marketing speak, and indirect phrasing that makes the transaction seem less consequential than it is."
The subscription checkbox appears at checkout—the point in the customer journey when:
Users have already invested significant time (questionnaire, scheduling)
Users feel committed to completing the purchase
Users are focused on getting through checkout quickly
Users are less likely to scrutinize every detail carefully
This timing exploits the "sunk cost fallacy"—the psychological tendency to continue investing in something because we've already invested time or effort, even if continuing isn't in our best interest.
"I'd already spent 20 minutes filling out forms and scheduling my consultation," explained Marcus Chen, another affected customer. "At checkout, I just wanted to finish. I wasn't carefully examining every element on the page. That's what they were counting on."
Perhaps most deceptively, the subscription charge allegedly gets integrated into the "today's total" in ways that make it unclear:
First month may be included in the base price
Recurring nature may not be clearly indicated
Distinction between one-time and recurring charges may be obscured
"The total at checkout matched what I expected to pay," Thompson said. "I didn't realize that total would repeat every month because the page didn't make that clear."
Rachel Thompson's story, mentioned in the opening, represents the most common experience pattern: customers don't discover the subscription until reviewing statements months later.
"I check my credit card statement quarterly when I do my budget review," Thompson explained. "That's when I saw three charges from Pettable.com. I thought it was fraud at first—why would I be charged three times for something I only bought once?"
Only after contacting her credit card company did Thompson realize these weren't fraudulent charges—they were "authorized" subscriptions she'd unknowingly agreed to.
"I felt violated and stupid, even though I know it wasn't my fault," Thompson said. "They designed that checkout to trick me, and it worked."
Daniel Martinez prides himself on being a careful online shopper. "I always read everything," Martinez told us. "I don't just click 'agree' without reading the terms."
Yet Martinez still found himself enrolled in a subscription he never wanted.
"I read the terms of service, the privacy policy, the refund policy," Martinez explained. "But there were so many checkboxes and so much text that by the time I got to whatever box enrolled me in the subscription, my brain had stopped carefully processing each element. I was in automatic mode, just clicking through to complete the purchase."
Martinez's experience illustrates an important point: even careful consumers can fall victim to well-designed dark patterns. That's why they're so insidious—they're specifically designed to overcome conscious scrutiny.
Sarah Kim, a UX designer herself, recognized something was wrong with Pettable.com's checkout and decided to document it.
"I work in UX, so I'm trained to analyze user interfaces," Kim explained. "When I saw the checkout page, I immediately thought, 'This is designed to deceive.' So I took screenshots of every step."
Kim's documentation revealed:
The subscription checkbox appeared in position 4 of 6 checkboxes
Three checkboxes above it were standard legal checkboxes (terms, privacy, consent)
The subscription checkbox used similar visual styling to these required checkboxes
The language described "benefits" without clearly stating recurring charges
The checkbox was pre-checked
No clear visual separation or warning drew attention to the recurring nature
"If I hadn't been specifically looking for deceptive patterns, I would have missed it too," Kim admitted. "And I design interfaces for a living. Regular consumers have no chance of catching this unless they're paranoid and scrutinizing every pixel."
To understand why Pettable.com's alleged design choices are so effective, we need to examine the psychological principles they exploit.
Dr. Jennifer Wong, a cognitive psychologist, explains: "Checkout processes deliberately increase cognitive load—the mental effort required to process information. Terms of service, privacy policies, multiple form fields, various checkboxes—by the time users reach the subscription opt-in, their cognitive resources are depleted. They're more likely to rely on automatic processing rather than careful deliberation."
This is why the subscription checkbox's position matters. It appears after users have already made multiple decisions, increasing the likelihood they'll miss it.
"There's a massive psychological difference between opt-in and opt-out," notes behavioral economist Dr. Richard Thaler, whose research on default effects won him the Nobel Prize in Economics.
"When something is pre-checked, the default is 'yes.' Research consistently shows that people stick with defaults, even when changing them would be in their interest. Companies know this, which is why subscription services desperately want to use pre-checked opt-out models rather than unchecked opt-in models."
Studies show that default options can influence choices by 20-40% or more, particularly when:
The decision is complex or unfamiliar
Users are under time pressure
Cognitive load is high
The consequences aren't immediately apparent
All of these conditions exist at Pettable.com's checkout.
The "invisible gorilla" experiment, conducted by psychologists Daniel Simons and Christopher Chabris, demonstrated that people often fail to notice unexpected objects when focused on a specific task—a phenomenon called inattentional blindness.
"During checkout, users are focused on completing the transaction," explains Dr. Wong. "Their attention is on entering payment information, reviewing the total, and clicking 'submit.' A checkbox that doesn't seem important to that task can become functionally invisible, especially if it's embedded among other checkboxes that are genuinely necessary."
Once users begin a checkout process, psychological commitment increases. They've invested time and effort, and they want to complete the transaction.
"This is why companies put potentially objectionable elements late in the checkout process," notes Dr. Rodriguez. "At that point, users are committed and less likely to abandon the purchase over a checkbox. Companies exploit this psychological momentum."
While "dark patterns" may sound like a UX buzzword, they have serious legal implications under consumer protection law.
In September 2022, the Federal Trade Commission issued a policy statement specifically addressing dark patterns in digital interfaces. The FTC stated that dark patterns may violate the FTC Act's prohibition against unfair or deceptive acts or practices.
Key principles from the FTC's policy:
Material Information Must Be Clear: Information likely to affect consumer decisions must be disclosed clearly and conspicuously
Design Matters: How information is presented affects whether disclosure is adequate
Consent Must Be Informed: Consent obtained through deceptive design elements may not constitute legal consent
Context Is Crucial: Disclosures must be evaluated in context of the entire user experience
Consumer protection attorney Jennifer Walsh analyzes how Pettable.com's alleged practices may violate these principles:
"If the subscription checkbox is pre-checked, buried among other elements, uses vague language, and appears at a point where users' attention is focused elsewhere, that likely fails the 'clear and conspicuous' standard," Walsh explains.
"The FTC has been increasingly aggressive about dark patterns. In the Amazon 'Iliad' case, the FTC sued Amazon specifically for making subscription cancellation difficult. If the FTC finds that companies are using dark patterns to enroll people in subscriptions they don't want, that's a violation waiting to be prosecuted."
The Restore Online Shoppers' Confidence Act (ROSCA) specifically addresses subscription enrollments in e-commerce. ROSCA requires:
Clear and conspicuous disclosure of all material terms before charging
Express informed consent before charging
Simple cancellation mechanism
Pre-checked checkboxes in cluttered checkout environments may fail ROSCA's "express informed consent" requirement.
"Express informed consent means the consumer actively chooses to enroll in the subscription," Walsh notes. "A pre-checked box doesn't meet that standard—the consumer would need to actively uncheck it to decline. The default can't be enrollment."
Many states have additional consumer protection laws that may apply:
California's Automatic Renewal Law (Business and Professions Code § 17602):
Requires clear disclosure of automatic renewal terms
Requires explicit consent before charging
Requires easy cancellation mechanisms
New York's Subscription Service Law:
Requires clear notice of renewal terms
Prohibits automatic renewal without consumer consent
Mandates cancellation mechanisms
Multiple states have similar laws, and Pettable.com's practices may violate several simultaneously since they serve customers nationwide.
To highlight how problematic Pettable.com's alleged practices are, let's examine what ethical subscription opt-ins look like.
When Amazon offers Prime trials:
Clear headline: "Start your free 30-day trial"
Explicit disclosure: "After trial, pay $14.99/month"
Separate, distinct enrollment button
Reminder emails before charging begins
One-click cancellation available
Spotify's premium subscription upgrade:
Unchecked by default
Clear pricing display
Separate enrollment step
Trial period with advance notice before charging
Easy cancellation in account settings
The New York Times subscription:
Transparent pricing on product pages
Clear subscription terms at checkout
Distinct "Subscribe" button (not a checkbox)
Confirmation email detailing recurring charges
Cancellation link in every billing email
Ethical subscription enrollments:
Start unchecked (require active opt-in)
Use clear, direct language
Appear in prominent positions
Employ distinct visual design
Provide advance notice before charging
Offer simple cancellation
Pettable.com's approach allegedly does the opposite on every dimension.
Dark patterns cause harm that extends beyond individual financial losses.
For affected customers:
Average loss: $45-90 (3-6 months before discovery)
Range reported: $14.99 to $180+
Additional costs: Time spent trying to cancel, stress, lost trust
Dark patterns damage the entire e-commerce ecosystem:
Erode consumer trust in online shopping
Make people hesitant to try new services
Force competitors to choose between ethics and matching deceptive conversion rates
Create a "race to the bottom" in design ethics
People seeking ESA letters often:
Face housing insecurity
Deal with mental health challenges
Operate under time pressure
Have limited financial resources
Using dark patterns against this population is particularly harmful. They're already vulnerable, and deceptive design exploits that vulnerability.
Until regulators crack down on dark patterns, consumers must remain vigilant. Use this checklist at checkout:
Visual Scan:
[ ] Scroll through entire page slowly
[ ] Look for all checkboxes, especially below the fold
[ ] Check if any boxes are pre-checked
[ ] Identify checkboxes that aren't obviously required (terms/privacy)
Read Carefully:
[ ] Read the text near every checkbox
[ ] Look for words like "subscription," "monthly," "recurring," "membership"
[ ] Identify any language about ongoing charges
[ ] Clarify what "value bundles" or "memberships" actually mean
Question Defaults:
[ ] Uncheck any pre-checked boxes that aren't required
[ ] See if price changes when you uncheck boxes
[ ] Understand why price would change based on checkboxes
Verify Total:
[ ] Ensure you understand what today's charge covers
[ ] Identify any future charges
[ ] Confirm whether purchase is one-time or recurring
Pre-checked subscription boxes
Vague language about "memberships" or "bundles"
Checkboxes buried in walls of text
Price changes when declining optional services
Lack of clear "This is a monthly recurring charge" language
Screenshot checkout confirmation
Save all confirmation emails
Set calendar reminder to check credit card next month
Review credit card statements regularly
Dark patterns persist because enforcement has been insufficient. To protect consumers, regulators should:
Explicitly ban pre-checked subscription boxes in all contexts
Require visual prominence for subscription opt-ins (distinct color, size, position)
Mandate specific language like "I agree to pay $X.XX every month starting [date]"
Prohibit embedding subscriptions among required checkout elements
Require separate enrollment step for subscriptions
The FTC should:
Conduct systematic review of subscription enrollment practices
Issue penalties for dark pattern violations
Publish guidelines with specific design requirements
Partner with state attorneys general for coordinated enforcement
Allow consumers to:
Sue for damages from dark pattern enrollments
Recover attorney fees for successful claims
Participate in class actions more easily
If you've been affected by Pettable.com's checkout design:
Document Your Experience
Screenshot the checkout page
Save confirmation emails
Document when you discovered the charges
Calculate total unauthorized charges
Request Cancellation and Refund Email support@pettable.com: "I was enrolled in your subscription service through a pre-checked checkbox I did not knowingly agree to. This enrollment was not clear or conspicuous. Under FTC guidelines on dark patterns and ROSCA requirements for express informed consent, I did not provide legal consent for recurring charges. I demand immediate cancellation and refund of all subscription charges."
File Complaints
FTC: ReportFraud.ftc.gov - Category: Dark patterns, deceptive subscription practices
State Attorney General: Find yours at naag.org/find-my-ag
Dispute Charges Contact your credit card company:
Explain the charges were unauthorized
Describe the deceptive enrollment process
Request chargeback
Ask for new card number
Warn Others Leave detailed reviews describing:
The pre-checked checkbox
Where it appeared
The language used
How long before you discovered charges
Rachel Thompson still feels frustrated when she thinks about that checkbox. "I'm a smart person," she says. "I read carefully. I'm not the kind of person who just clicks through things without paying attention. But Pettable.com's checkout was designed so that even careful people like me would miss it. That's the whole point."
And she's right. Dark patterns work precisely because they're designed to overcome conscious attention and careful scrutiny. They exploit how the human brain actually works—our cognitive limitations, our psychological biases, our natural tendency to use mental shortcuts during routine tasks.
The $15 checkbox you didn't see wasn't an accident. It wasn't poor design. It was carefully crafted by professionals who understand psychology and user experience to achieve one goal: enrolling customers in subscriptions they don't actively choose.
Until regulators take meaningful action against dark patterns, companies like Pettable.com will continue using these deceptive techniques. The only current defenses are:
Extreme vigilance at checkout
Careful documentation
Aggressive complaint filing
Public awareness through reviews and warnings
If every person affected by dark pattern subscriptions files an FTC complaint and leaves a detailed review, the pattern becomes undeniable. Regulatory action becomes inevitable. And companies will finally face consequences for prioritizing manipulation over transparency.
Because in ethical e-commerce, subscriptions should be a choice customers actively make—not a trap they accidentally fall into through a checkbox they never saw.
Were you enrolled in a Pettable.com subscription through a pre-checked checkbox? Share your experience to help document this pattern and protect other consumers.
Resources:
Disclaimer: This article is based on customer complaints, UX analysis, and investigative research. Pettable.com may dispute characterizations of their checkout design. Individual experiences may vary. Consumers should carefully review all checkout elements before completing purchases.