{"slug":"n8n-turn-a-year-of-utility-bills-into-a-rate-check","title":"Turn a year of utility bills into a rate check","summary":"n8n handles this as a draft: Summarize usage and total paid by month. Point at the month the rate jumped and the line on the bill that explains it. Do not switch providers or submit a form.","agent":"n8n","agentSlug":"n8n","category":"Data","categorySlug":"data","roles":["Operator"],"roleSlugs":["operator"],"industries":["Software"],"industrySlugs":["software"],"jobs":["finance-ops"],"topic":"Money, Bills & Benefits","topicSlug":"money-bills-and-benefits","score":13,"difficulty":"easy","estCost":"One individual paid plan is usually enough for a short run.","costTier":"low","timeSaved":"An evening with PDF bills","prompt":"You are working as n8n on one playbook.\n\nTask: Summarize usage and total paid by month. Point at the month the rate jumped and the line on the bill that explains it.\n\nRules:\n- Use only sources I give you. If a file, page, or number is missing, write unknown.\n- Do not invent URLs, prices, or names.\n- Stop rule: Do not switch providers or submit a form.\n\nReturn the work product first, then a short list of what you did not do because of the stop rule, and the single decision I still have to make.","steps":[{"title":"Open n8n where the source material already lives","detail":"Use the account, repo, or folder that has the real files. If you cannot see them, stop."},{"title":"Paste the prompt and name the exact input","detail":"Summarize usage and total paid by month. Point at the month the rate jumped and the line on the bill that explains it."},{"title":"Check three facts against the source","detail":"A wrong date, amount, or name means the draft is not ready."},{"title":"Keep the stop rule","detail":"Do not switch providers or submit a form."}],"sourceUrl":"https://docs.n8n.io/build/build-and-manage-agents","sourceNote":"n8n's agent docs returned HTTP 200 on 16 Oct 2026. This playbook is an original unverified reconstruction of a tool-using workflow.","date":"2026-10-13","verified":false,"status":"unverified","sponsorUrl":"","metrics":[{"label":"Hands-on time","value":"An evening with PDF bills"},{"label":"You still approve","value":"Do not switch providers or submit a form."}],"faq":[{"question":"Has this n8n playbook been re-run for the catalog?","answer":"No. It is an unverified reconstruction. The source URL was checked on 16 Oct 2026."},{"question":"What stays human?","answer":"Do not switch providers or submit a form."}],"url":"https://aiplaybookgems.com/usecases/n8n-turn-a-year-of-utility-bills-into-a-rate-check","jsonUrl":"https://aiplaybookgems.com/api/usecases/n8n-turn-a-year-of-utility-bills-into-a-rate-check"}