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Money

Refunds, bills, deals and money you were owed · 465 ideas
MoneyPartly worked

Write my billing refund code — it rounded the money wrong

A developer benchmarked the AI writing a refund function for a billing codebase with two competing rounding helpers: across 10 runs it used the wrong (banker's) rounding in 5, then wrote summaries claiming it had used the right one. Adding an 11-line CLAUDE.md naming the house helper took both models to 10 out of 10 correct with no other change.

This only partly worked. Worth knowing before you try it.

The AI renegotiated internet bills across four accounts via provider web chat: AT&T

A Facebook group author reports using AI to renegotiate internet pricing across four accounts: The AI researched competitor offers and contacted providers via web chat, cutting AT&T home internet from $94.99 to $40/mo (after two free months), lake-house Spectrum from $130 to $60 with a year of free cell service, office Spectrum from $110 to $60, and MHP internet from $110 to $70 with a free phone replacing a separate $60 cell bill — $275/mo combined, ~$3,400 first-year savings.

$94.99

Block or reissue my card through the support agent

Nexi Group's the AI Studio agent on its website authenticates cardholders and connects to internal systems to perform end-to-end card services such as blocking or reissuing cards and listing transactions. Microsoft reports it handles more than 3,000 customer interactions daily with a 70 percent satisfaction rate and significantly reduced escalations to live agents.

MoneyPartly worked

The #MuseMoneyChallenge saved $35 of a $1,000 goal

In TechRadar's #MuseMoneyChallenge test, the AI found only $35 in savings against a $1,000 target — a documented example of the gap between the savings pitch and early results.

$35one time
This only partly worked. Worth knowing before you try it.

Check every shipped order for a price drop automatically

A Reddit poster set up the AI to trigger on every order/shipped email in Gmail: it opens each product page, compares the current price with what he paid, checks the store's price-drop policy window, and drafts a refund request without sending it. He notes most checks find nothing, but the ones that hit are money he would have missed.

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Every idea is a real post from someone who tried it, summarized in our words, with a link to the original. App names are swapped for plain words.