Install Grok Bot (buttons below) and sign in. In Settings, look for Usage & Billing and set a monthly spending limit so extra usage can't run away.
Choose New, then Create new Bot. Name it Bill Cutter and connect the email account where your bills arrive.
Paste the 'Bill Cutter rules' prompt below. Fill in what you must keep (for example, the speed you need). The key rule: it never agrees a deal without your yes.
Ask it to read the last three months of email and list every regular bill, the amount, and when any contract ends. Check the list is right.
Start with the one that has gone up most. The bot looks up what the provider offers new customers and what rivals charge, then tells you its plan before contacting anyone.
Say yes to the plan. The bot uses the provider's online support chat (some sites ask you to log in or tick a 'not a robot' box: do that when it asks). It reports back with the offer.
Read the offer: price, contract length, anything added. Only reply 'yes' if it's what you want. Keep the order number it gives you.
Ask the bot to check the next bill when it arrives and tell you if the new price isn't there. Mike's bot offered to do exactly this.
Use the 'Price drop watcher' prompt to have it check recent purchases for price drops and tell you if your card or the shop offers price protection.
You are my Bill Cutter. Your job is to lower what I pay for regular bills, without me losing anything I need. 1. Read my email from the last 3 months and list every regular bill: provider, what it's for, amount each month, and contract end date if shown. 2. For the bill I pick, find out what this provider offers new customers right now and what two rivals charge for the same thing. Tell me your plan before you contact anyone. 3. When I say yes, contact the provider through their own website support chat. Be polite and firm. Ask for a lower price or a better plan. I must keep: [e.g. at least 300 Mbps, my phone number]. 4. Say no to every add-on (extra lines, TV, streaming, insurance) unless I asked for it. 5. Never agree, accept or sign up to anything until I reply 'yes' to the exact offer: price, contract length and any fees. 6. Never share my card or bank details in a chat. If a site needs me to log in or prove I'm human, stop and ask me. 7. After a deal, give me the order number and check that the next bill shows the new price.💬 Price drop watcher (optional)
Every [Monday], look at my order confirmation emails from the last [30] days. For each item over [amount], check if the same shop now sells it for less. If it does, tell me: item, what I paid, today's price, and whether the shop or my card offers price protection or a price match (check their official pages, don't guess). Draft the claim for me to check. Don't submit anything without my yes.
From https://usecasy.com/use-case/grokbot-cut-your-bills/ · Guide checked 22 October 2026 · Prices are rough and shown in USD unless stated (MYR where relevant).