I wonder of I could sell "FOSS packages" for local startups.

Just thinking out loud here. I don’t know too much about starting my own business, but I have a pipe dream about having a side gig building on-site mini servers for clients who want to start their own businesses. I could speak with the client, find out what type of business they’re developing, then pair them up with FOSS applications and hardware they’d run on their property. I could also update it all remotely. It would be like a plumber/electrician that can show people how to manage the tools I bring to them. I was thinking of doing this as a really small personal business, meeting with the clients and installing systems for them. You think there’s a market for something like this? I don’t really have anyone in my circle who knows the business or tech side of this.