Here are some additional resources that may be of help in your exciting home building adventure.
Freeflow Spas Choose from an extensive selection of energy efficient hot tubs and spas at discount price. If you're in the Rocky Mountain area
Soft Spa Covers Soft spa covers for all hot tub and spa types any shape new or old.
Avoiding Problems - HomeBuilding Pitfalls (a downloadable book) has lots of "must read" stuff like researching a builder and a neighborhood, legal pitfalls, warranties, walk-throughs, punch lists, and more. It's a bargain at $39.95.
HomeWrights, here's a company that specializes in managing home building projects. They'll hold your hand every step of the way.