Money With AI by AnthonyToday

Automate Accounts Payable Without Losing Control

Finance $$ Medium · $200 to $2k/mo Our estimate of relative earning potential, not a promise or income claim Save Costs Intermediate 4 Bots

Capture and validate invoices, route approvals, renegotiate vendors and catch renewals early.

How It Works

How it works. Inputs: Invoice inbox; Vendor list. Steps run in Grok Bot: 1. Invoice Approval Router: Routes approvals. 2. Invoice OCR Checker: Validates invoices. 3. Haggle Bot: Drafts negotiations. 4. Contract Renewal Reminder: Reminds on renewals. 5. You: Approve payments. Outputs: Approved invoices; Lower vendor costs; Renewal alerts.
#WhoInputDoesOutput
1Invoice Approval RouterInvoice inbox and Vendor listRoutes approvalsHand-off to Invoice OCR Checker
2Invoice OCR CheckerOutput from Invoice Approval RouterValidates invoicesHand-off to Haggle Bot
3Haggle BotOutput from Invoice OCR CheckerDrafts negotiationsHand-off to Contract Renewal Reminder
4Contract Renewal ReminderOutput from Haggle BotReminds on renewalsHand-off to you
5YouOutput from Contract Renewal ReminderApprove paymentsApproved invoices, Lower vendor costs and Renewal alerts

Money Potential: $$ Medium Our estimate of relative earning potential, not a promise or income claim

$200 to $2k/mo Estimate. Assumes 2 to 10 percent off vendor spend. Not a promise of income. Disclaimer

Our estimate. Assumes savings from fewer errors and better vendor terms.

Money tiers are our estimates (labelled Estimate) of relative earning potential, each with its assumption. They are not promises, income claims or advice. Results depend on your market, offer and effort.

How It Makes Money

  • Fewer late fees and duplicate payments.
  • Renewals stop surprising you.
  • Estimate math: 2 to 10 percent off vendor spend = about $200 to $2k a month.

Who It's For

  • Small businesses paying many vendors.
  • Freelancers
  • Small agencies

What It Does

  • Invoice Approval Router: Routes invoices through approval.
  • Invoice OCR Checker: Validates invoice fields.
  • Haggle Bot: Drafts vendor negotiation emails.
  • Contract Renewal Reminder: Reminds you before contracts renew.

How to Set It Up

Time to Set Up
About half a day (our estimate)
Difficulty
Intermediate
Tools Needed
  • Grok Bot: Grok Bot account needed
  • n8n: Free to self-host; n8n Cloud is paid
  • Gmail: Free with a Google account
  • Google Drive: Free with a Google account (15 GB); more storage is paid
  • Google Sheets: Free with a Google account
  • OpenAI: Pay as you go (API billed per token)
  • OpenRouter: Pay as you go or paid plan
  • Slack: Free plan available
  1. Add the 4 bots in the stack: Invoice Approval Router, Invoice OCR Checker, Haggle Bot and Contract Renewal Reminder.
  2. Connect the tools they use: Gmail, Google Drive, Google Sheets, OpenAI, OpenRouter and Slack.
  3. Write a short brief: who you serve, what you sell and what each bot must never do.
  4. Run each bot once, in the order shown in the flow, and check every output by hand.
  5. Fix instructions where results were off, then run the whole flow end to end.
  6. Schedule the routine parts and keep an approval step before anything reaches a customer.

The Bot Stack

Invoice Approval Router by Billy Christi

Routes invoices through approval.

n8nGmailGoogle DriveGoogle SheetsOpenAI
Invoice OCR Checker by Dhrumil Patel

Validates invoice fields.

n8nGoogle SheetsOpenRouter
Haggle Bot by @lennysan

Drafts vendor negotiation emails.

GmailGoogle Sheets
Contract Renewal Reminder by Trung Tran

Reminds you before contracts renew.

n8nGoogle SheetsOpenAISlack

Cost to Run Our estimate of relative earning potential, not a promise or income claim

A Grok Bot plan, plus an account on each tool the stack connects to: n8n, Gmail, Google Drive, Google Sheets, OpenAI, OpenRouter, Slack. We show a price only when we have checked it on a public page, with the source and date below.

Guardrails

  • The bots never pay, sign or accept terms for you.
  • Review a sample by hand before you trust a scheduled run.

Results to Expect Our estimate of relative earning potential, not a promise or income claim

  • Our estimate: $200 to $2k a month. Basis: 2 to 10 percent off vendor spend. Not a promise of income.
  • What you should see first: approved invoices, lower vendor costs and renewal alerts.

Our estimate, not a promise or a typical result. Results depend on your effort, skills, market and costs.

Tips and Pitfalls

  • Check totals and tax before sending.
  • Keep a record of every automated invoice.
  • Start with one customer segment and add more only when the flow runs cleanly.

Questions

How much money can you make if you automate accounts payable without losing control?

Our estimate is $200 to $2k a month, assuming 2 to 10 percent off vendor spend. It is an estimate, not a promise; results depend on your market, offer and effort.

What tools do I need to automate accounts payable without losing control?

The 4 bots in the stack, plus Gmail, Google Drive, Google Sheets, OpenAI and OpenRouter. Each tool may need its own plan.

How long does this setup take?

Our estimate is half a day for a first end-to-end run at intermediate level. Plan a few more runs to tune it.

Related Links

Sources

Inspired by n8n template by billy (PDF invoice approval flow). Steps and wording are our own.

Labels: V verified by us on the linked page, Estimate our own estimate, A the creator's own claim. This page is our own write-up; the bots belong to their creators.

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