An LLM manages his investments, placing new cash and harvesting tax losses by his rules
Built tooling so an LLM manages his investments long term: auto-deploys new cash by his priorities, implements tax-loss harvesting (GitHub investbot).
A random mix from the whole library. Shuffle for a new set.
Money
Refunds, bills, deals and money you were owed · 465 ideasKept a standing Facebook Marketplace and Buy Nothing watch for nice-to-haves (wooden
Konik gave the AI a list of low-urgency wants she didn't want to overpay for. Over time it built a table of what normal prices in her area look like and flagged good deals, netting her a $25 armchair and ottoman that fit her reading nook.
$25
Build me an earnings and expenses tracker for my student budget
An 18-year-old first-year college student with a part-time job says he told the AI his weekly pay and it created an 'Earnings & Expenses' budget tracker showing earned, spent and net, plus a purchase log (Loblaws, Tim Hortons, Presto). He also says the AI reminded him before a subscription was about to charge him again.
Switch my car insurance after the payoff and cut $122 a month
Once the user's car was paid off, the AI re-shopped their insurance and moved them to a brokerage policy at $122 a month less.
$122a month
Buy on Amazon inside my own logged-in account
The AI’s Comet browser shopped Amazon inside users' own signed-in Prime accounts — loading pages, comparing products, filling carts and completing purchases at the user's direction — until Amazon sued, arguing the access was the user's permission but not Amazon's authorization. A district court enjoined Comet in March 2026; on August 4, 2026 the Ninth Circuit vacated the injunction, holding the agent is a tool and the user is the one buying, while leaving terms-of-service claims live.
The AI helped me track down 6 of my 9 old pensions
She had pension paperwork scattered from 9 permanent jobs since 1990. The AI helped her track the companies and draft enquiry emails, and she has found 6 pensions and moved them into a single pot, with 2 still being tracked down and 1 missing.
This only partly worked. Worth knowing before you try it.
My agent found unclaimed money for me and my wife and walked me through a class action claim
He says the AI found unclaimed property money in his name and his wife's name on state websites, a few hundred dollars between them, and walked him through a Dr. Squatch class action claim step by step.
The AI filled in my VAT exemption form by itself
He had a Cerfa form to fill in so his training activity could be exempt from VAT. He says the AI filled it in all by itself.
Had her agent 'Paris' shop patio furniture under $1,200 and a gown
Estelita Quintero, a traveler who dislikes researching destinations online, uses her agent 'Paris' (connected to Instagram, email, calendar; learns her fashion/hobby tastes; tracks appointments and suggests outfits). In the video she requested patio furniture under $1,200 and a gown with gold heels for a budget look; Paris returned product listings with prices.
$1,200
I built a script with AI that gathers my expense invoices from Gmail
In one evening with AI he built a script that scans his Gmail for known senders and downloads invoice PDFs. If a supplier sent no PDF, it saves the email itself as a PDF, puts everything together for the office, and logs what it downloaded and sent so nothing goes twice.
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.