Woodworker. From running two small ecommerce companies I think I've learned enough about MVP, shipping, inventory management, etc. From 25 years as a software engineer I've learned about building tools to automate steps. I'd pick some "hard to find / expensive niche (e.g. Greene and Greene, Art Nouveau, etc.), but offer repeatable designs, not do custom work. That would allow for lots of jigs, fixtures, using cheap m…
This is actually very similar to how semi-custom cabinets are made and sold, aside from the web interface. There is a catalog of available cabinets, and each cabinet can be customized in a variety of ways. For example, you can order a drawer + cupboard base cabinet with 2 roll trays and finished left side. The cabinets are built to order, but from a standard set of parts. They're built in a factory and shipped to the job site fully assembled. (One big maker is Masterbrand, which like GM offers many similar products under a variety of sub-brands.)
Instead of the web, though, cabinet selections are typically made by a kitchen designer, because the customer is not sufficiently skilled to take responsibility that the items ordered will actually fit. This might be a problem in woodworking, though perhaps less so for furniture.