Retrofitting garages. Doing "Garage Makeovers".
Most of the clientele are well to do, and you don't even need to own a tool or have any skills, other than organizational skills. Everything can be done using subcontractors.
From design ( usually the customer already knows what he/she wants) to turning over the keys, it can be completely hands off, or you can be fully involved.
Profit margins are in the 30-50 percent range, and finished jobs will normally be in the $25000 to $50,000 range, and we done a couple that were over $100,000.00.