Jaber: Congrats on your TC255. When should you take delivery...or did I miss that?
Look out if a price looks too good...it just might be. You have to school up a bit on the primers, and the final coatings. Good advice above about watching out for bottom paints that CAN NOT remain dry for long periods.
They pull your boat for regular maintenance, find something they need a part for, the wrong part comes in, they get the part,,,but find another something broke...it is a 3 day holiday and/or the brown, yellow & purple trucks are all runniing overtime, the yard closes because it is Thanksgiving...and soon, your boat has been high and dry for 2-3 weeks. That is boating. So, plan for Mr. Murphy and his friends.
The FIRST TIME the work is done is the very most important. It is like the foundation of a structure. No matter what goes on last, if what goes on first is improper, it will be screwed up for the life of the boat....unless, some poor soul stands around for days with sanders and chemicals and gets it back to the original bare boat...and starts over properly. Most yards charge about $60-$90 an hour. The primer and final bottom paint coatings themself will be rather spendy, if real good stuff that can be left out of the waters for extended time are used. drying times (weather if outdoors) can effect how long it takes. Extreme temps, bunch of rain... high humidity... Go slow here. Make good choices, ask questions of anyone who is going to do the work, go there during the process, look for the cans on site. Spend what it takes to get it right.
Good luck with your boat.
Byrdman