Watch prices, build carts, apply coupons and claim refunds — with you approving checkout.
The author asked Grok Bot to check every morning whether a Ninja Creami was on sale. The bot alerted when it was $50 off.
After years of spreadsheets and a vibe-coded app, the author built a Grok Bot that keeps recipes in Markdown, prints a weekly meal plan, and produces a shopping list that is pasted into ChatGPT to fill Instacart. Targets ~15 meals per week for the family. Bot template with recipe library access is linked.
The agent tested coupon codes at checkout until it found ones that worked, saving $79.
A user sent their Grok Bot after a Best Buy price drop on something they'd bought and it came back with real money.