Been quietly charging clients $100/mo for something that costs me almost nothing and I'm surprised more devs aren't doing this

"The problem I kept running into was after the build. Clients would hand over the site, then I'd get a flood of messages 'can you update this price,' 'a customer asked X, what do I say' stuff that ate my evenings for free. I started looking for a way to hand that off without hiring anyone."

"You paste in a client's URL, it crawls the whole site, and within a few minutes it actually knows the business products, prices, policies, all of it. The part that genuinely surprised me was the phone feature. I set up a demo for one client, a local shop owner, called the number in front of him, and the AI just... answered."

"Now I offer it as an add-on to every site I build an AI that handles enquiries and calls 24/7. I charge €100/month per client for 'ongoing support and call handling.' I've got 32 clients on it right now. It's not life-changing money but it's consistent, it runs while I'm in lectures."

A French web developer built websites for local businesses since age 17, primarily using Shopify and Wix platforms. After site launches, clients demanded constant free support for updates and inquiries, consuming significant unpaid time. The developer discovered an AI tool that crawls websites to understand business details, products, and policies, then handles customer calls and inquiries autonomously. After demonstrating the AI's natural conversation abilities to a skeptical client, the developer recognized a business opportunity. This led to packaging AI-powered call handling as a recurring €100/month add-on service for every new website build. Currently serving 32 clients with this model, the developer generates consistent passive income while attending university lectures, with clients valuing the AI support service more than the original websites.

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