I grew up with my dad always doing work in and around the house himself and now as an adult doing the same with my house, so I wasn’t completely going in blind. My last programming job was in the office furniture industry and that gave me a leg up having knowledge about casework, tabletops, etc. My brother in law was also a finish carpenter (now a job superintendent, but we work in fairly different areas/companies) and I had helped him with side work over the years.