Build a free Telegram automation that automatically logs Cash In / Cash Out transactions into Google Sheets and calculates transaction revenue.

Cost: ₱0/month

Tools: Telegram + Google Apps Script + Google Sheets

Skill level: Beginner-friendly


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🎯 What We're Building

The goal is to be able to send a Telegram message like:

Cash in 500

and automatically have the system:

  1. Detect the transaction type
  2. Extract the amount
  3. Calculate the revenue
  4. Save the transaction to Google Sheets
  5. Send a confirmation back to Telegram

Example

Telegram:

Cash in 2500

Bot:

✅ Transaction Logged!

Type: Cash In

Amount: ₱2,500.00

Revenue: ₱30.00

Google Sheets:

Timestamp Type Amount Revenue Notes
Aug 7, 2026 Cash In ₱2,500 ₱30