[Danase]

I agree with themightytimmah. The gel coat is tough so a rotary and wool pads are a good choice. Just be sure the owner did not paint over the gelcoat with some spray paint or something. Also I recommend a polish without abrasives for gelcoat. Like Pure Polish. This will chemically remove any oxidation and will also remove any swirls. I'd top it off with Collinite as well. I'd clean the haul with a haul cleaner first. BioKleen comes to mind as good marine cleaners.

As for pricing it's hard to say since this will be your first job. I'd say, from the people I deal with, 50% price per foot and 50% per hour. Personally I like the per hour because two boats might be 25' long but one might have a lot deeper haul than the other, meaning more to detail.