I have heard of DHs like yours and used to wish mine was a DIYer. He isn't and I am rather relieved because I always get someone in and we are usually both pleased with the result However, just this once we have hired a floor sander and embarked on what has become a project. I think the time it has taken so far, the sore backs, dust in the lungs and not very professional finish has gone to remind us why we get someone in.
I can't afford a new kitchen so our retro one of 40 years, shabby though it is must suffice, I have had a cupboard and drawer repaired thanks to a local joiner.
Just be brave and get your new kitchen.