Before selecting a contractor for your next job, contact your local or state consumer agency and Better Business Bureau for information on contractors' licensing or registration requirements and complaint records. Some states require licensees to pass tests for competency and scrutinize licensees for financial solvency. Some states also have a fund to cover some financial losses that result from problems with licensed contractors.
To save energy, wash your clothes in cold water using cold-water detergents when-ever possible.
Wallpapering can involve a steep learning curve and most professionals advise starting in large rooms. Save bathrooms for last, or at least until you've got your confidence.
Making perfect dovetail joints can involve some shop practice, so consider starting out with a less-expensive jig that is designed for making only one or two types of joint styles. Then you can later work your way on up to the more expensive and versatile jigs that will let you make up to four or more styles of dovetails. With any dovetail jig, try to avoid using a router that is very light; heavier routers will produce crisper and cleaner cuts.