I read from your other post that you are retired, so the best thing may be to start watching youtube videos on any aspect of repair you need. Going to DR costs fuel, and that money is gone - and added hrs to your engines. If you are unhappy with the repair six months down the line - what's your recourse? Better to pick up some fiberglassing skills and DIY.
The problem with boat stuff is the parts cost cannot be escaped, so may be best to stay where the supply chain works best.