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I just use Google Sheets to make this automation that tracks everything I buy with AI. First, I send the receipt via WhatsApp. Then, the picture gets picked up from the message and saved into my Google Drive, where I can view it any time. Next, ChatGPT extracts the important info and saves it neatly into Google Sheets, like the total amount or the store name. Then the AI agent uses ChatGPT again to write a smart reply and send it back to me. On top of that, the message includes a clear overview of all the key details and a direct link to the saved receipt. And here's how I built it. First, I need WhatsApp. So the whole thing starts when I get a message. Then I use WhatsApp again to grab the receipt from that message. I also need the link to the picture so I can move the receipt to Google Drive to store it. After that, I make sure the picture is shared so anyone with the link can see it. Now I take the receipt from Google Drive and send it to ChatGPT. It looks at the picture and pulls out the important stuff, like the store name or the total. Next step, I clean up the data and save it to Google Sheets. And finally, the AI agent takes over. It connects with ChatGPT to read the information, generate a response, and then send messages back to me. If you want to dive deeper and get the template for this automation, join my community.