More in Money, Bills & Taxes.
Find duplicate subscriptions in card statements with Claude Cowork
WorkedEvidence: Described by posterPosted Last checked
Claude Cowork coded through Saul Kropman's six months of statements and flagged duplicate ChatGPT/Claude spend of $180–$370 a year.
How to use this
- Tap Copy prompt.
- Open the tool the case used (or a similar one) and paste the prompt; results may differ from the original.
- Paste it into the message box.
- Send it, then read the answer before acting on it.
New to this? What's a prompt?
A prompt is the message you send to the AI tool. Copy the one on this page, put your own details where it asks, and read the answer before you act on it.
Prompt
Recreated prompt
The source didn't share its exact prompt, so we wrote one from what it describes. The result shown is the source's, not ours.
The person didn't share their exact words, so we wrote this from what they described. We haven't tested it, and they didn't use this exact version.
Here are six months of credit-card statements. Write and run code to find every recurring charge, especially duplicates, tools I thought I canceled, and billing mistakes. Rank by yearly waste and tell me what to cancel or call about. Do not contact any company for me.
Try this in:
Sends the Recreated prompt shown above. ChatGPT and Grok open with it filled in, and ChatGPT may send it straight away. Gemini and Claude open empty, so we copy the prompt for you to paste. Every button also copies it.
The source used Claude Cowork, which can take actions in a browser or app. These are general chat tools, so results may differ, and a normal chat may only give you a plan.
Opens in a new tab. We don't see what you send.
These links are only a shortcut. We're not affiliated with OpenAI, Google, Anthropic or xAI, and your results may not match the source.
Optional stronger version
Our rewrite with extra checks. The poster didn't test it.
Before you start, ask me 1–3 short questions about the details below and wait for my answers. Once I've answered, confirm the plan in one line and run the whole task start to finish. Goal: Audit my card statements for recurring charges and duplicates. Questions to ask me first: - How many months of statements do I have? - Which subscriptions do I know I still want? - Should yearly or monthly cost lead the ranking? Inputs (fill in or confirm): - Statements: [CSV / PDF FILES] - Window: [6 MONTHS] - Keep list: [OPTIONAL] Rules: - Use code to aggregate merchants, not memory alone. - Flag duplicates and "thought I canceled" renewals. - Estimate yearly waste. - Do not cancel or email merchants. Checkpoint: Show the top five recurring merchants before the full table. If you get stuck: If a merchant name is ambiguous, mark it for my review. Verify before you finish: Yearly totals reconcile to the sum of matched charges. Output: A ranked cancel/keep table with yearly cost and notes. Done when: I can cancel or call on the high-waste rows myself.
AI tool
Outcome
Saul Kropman fed six months of credit-card statements into Claude Cowork, which ran Python over the data and flagged paying for both ChatGPT and Claude ($180–$370 a year wasted), Grammarly at $95 every 6 months that should already have been canceled, two LinkedIn Premium accounts, Priority Pass billing errors, and a heavy Uber Eats pattern. Regular Claude chat was not enough; Cowork's code path made the audit systematic. Kropman notes the irony of adding a $100 Max plan to find cancellations—and that it paid for itself in one session.
Evidence: Described by posterThe person describes what happened in words, without screenshots or video.
Source
- Posted
- by Saul Kropman
- Last checked
- Method:
- How we verify
Context: Date estimated from LinkedIn's 9-month stamp. Dollar ranges are the author's. En dash used for $180–$370.
More in Money, Bills & Taxes
Find $6,000 in extra tax deductions with Claude Cowork
Viveka von Rosen's Claude Cowork review of tax-prep files surfaced an additional $6,000 in deductions after an extension filing.
WorkedClaude CoworkEvidence: Described by posterView CaseAudit Gmail subscriptions into keep, review and cancel lists with Claude
Claude scanned Abhijay Arora Vuyyuru's Gmail and found about $2,600 a year in subscriptions, flagging roughly $590 as recoverable.
WorkedClaudeEvidence: Described by posterView CaseBuild a weekly household budget rundown with Claude Cowork
Kate built a Claude Cowork budget folder that turns Sunday CSVs into an HTML dashboard, including a $47.23 Costco ask.
WorkedClaude CoworkEvidence: Described by posterView CaseCut tax-prep grunt work to about three hours with Claude Code
Chris Blattman used Claude Code to assemble donations, deductions and a Schedule C in about three hours versus a ~$1,000 accountant.
WorkedClaude CodeEvidence: Described by posterView CaseCut an Xfinity bill by $3,200 a year with Claude Cowork in Chrome
Ofer Ronen watched Claude Cowork cut an Xfinity bill by $3,200 a year in about 45 minutes, with only 17% from service cuts.
WorkedClaude CoworkEvidence: Described by posterView CasePick open-enrollment benefits with Claude after an HSA hallucination
Claude helped Christie Pitts aim for $14,766 in benefits savings but wrongly said a plan was HSA-ineligible until corrected.
PartialClaudeEvidence: Described by posterView Case
Similar cases
Cancel unused subscriptions from credit card statements with Claude and Claude Cowork
Claude sorted every subscription on card statements into a spreadsheet and Claude Cowork cancelled them, saving $5,877 a year so far.
WorkedClaude +1Evidence: Described by posterView CaseAudit active subscriptions from email receipts with Gemini in Gmail
A poster asked Gemini in Gmail to pull all their active subscriptions and say which were actually useful.
WorkedGemini in GmailEvidence: Described by posterBeginner-friendlyView CaseCut three monthly subscriptions from $59.85 to $18.12 with ChatGPT's help
With ChatGPT's tips, Elton Jones cut three subscriptions from $59.85 to $18.12 a month by changing tiers and plans.
WorkedChatGPTEvidence: Article or interviewBeginner-friendlyView CaseFind a second YouTube Premium you've paid for unused for a year and a half with Grok
Tidying old accounts with Grok, a user found an unused $22/month YouTube Premium plan paid for a year and a half.
WorkedGrokEvidence: Described by posterBeginner-friendlyView CaseSpot forgotten trials and duplicate streaming plans with Gemini
A poster says Gemini saved them about $120 a month by spotting a forgotten trial and duplicate Spotify and YouTube plans.
WorkedGeminiEvidence: Described by posterView Case