Spot forgotten trials and duplicate streaming plans with Gemini

Posted

Mar 27, 2026 by @RustyOnLife

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Last checked

Oct 17, 2026

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Method:

How we verify

Evidence: Described by posterThe person describes what happened in words, without screenshots or video.

Outcome

In a reply, a poster says Gemini saved him about $120/mo by pointing out a free trial he forgot about and that he had both Spotify and YouTube Premium, recommending a different credit card to earn points on his 2 biggest expenses, and suggesting alternatives to wasteful expenses.

Agent

Gemini

The source didn't share its exact prompt, so we wrote this from what it describes.

Run this task now, exactly as written below. Everything you need is here, so start straight away and only stop if something required is missing or a rule below tells you to.

Goal: Scan my spending for forgotten trials, overlapping services and better card rewards.

Fill in before running:
- Last 2-3 months of transactions (account numbers hidden): [PASTE]
- Cards I have now: [LIST]
- Services I want to keep: [LIST]

Rules:
- Flag charges that look like trials that converted to paid.
- Point out overlapping services (two music services, two video services).
- Name my two biggest spending categories and suggest a card type that rewards them, with any annual fee.
- Don't recommend applying for credit without listing the downsides.
- If a site asks for a login, a CAPTCHA or payment details, stop and hand control back to me.
- Ask for my OK before you pay, book, send, submit or cancel anything.
- Check facts that can change (prices, opening hours, dates, availability, rules) against the official source, and tell me anything you couldn't verify.

Output: A list of cuts with monthly savings, and a short card suggestion.

You'll know it worked when: I cancel what I don't need and know my monthly saving.

Run this task now, exactly as written below. Everything you need is here, so start straight away and only stop if something required is missing or a rule below tells you to.

Goal: Scan my spending for forgotten trials, overlapping services and better card rewards.

Fill in before running:
- Last 2-3 months of transactions (account numbers hidden): [PASTE]
- Cards I have now: [LIST]
- Services I want to keep: [LIST]

Rules:
- Flag charges that look like trials that converted to paid.
- Point out overlapping services (two music services, two video services).
- Name my two biggest spending categories and suggest a card type that rewards them, with any annual fee.
- Don't recommend applying for credit without listing the downsides.
- If a site asks for a login, a CAPTCHA or payment details, stop and hand control back to me.
- Ask for my OK before you pay, book, send, submit or cancel anything.
- Check facts that can change (prices, opening hours, dates, availability, rules) against the official source, and tell me anything you couldn't verify.
- Remind me to check credit-card terms (fees, interest) before applying for a new card.

Output: A list of cuts with monthly savings, and a short card suggestion.

You'll know it worked when: I cancel what I don't need and know my monthly saving.

Before you finish: re-read my goal and constraints, check your answer against each one, and list anything you assumed or couldn't confirm.

Source

https://x.com/RustyOnLife/status/2037557116098027905