Service based and yet you have no technical expertise? Kinda red flag.

Might as well get to know some people who are technical and willing to do some FL for extra income. Try to land small project from home and outsource the technical part to those who are interested to FL. If good then only start a shop or something.

You dont need a shop when you have no physical product to sell. One should at least have a base they could land something consistent and branch out from there. If there's nothing like that, might as well just be a FL.