Has the recession killed your DIY budget? Tom and Leslie have great ideas on how to fire back up your do-it-yourself dreams by using inexpensive salvaged building materials that’ll save some cash. Get tips on a super-efficient mini-split air conditioning system from This Old House plumbing and heating expert Richard Trethewey. Learn about a new paint product that can both prime and paint in one step. And, find out how to stop your bathroom mirrors from fogging up once and for all with the right kind of ventilation system. Plus get answers to your home improvement questions about replacing an old roof, repairing a concrete walkways, stained linoleum floors, solving dishwasher problems, drying out a musty basement, fixing loose nails in a wood deck, replacing cracked board on a deck and stopping condensation on windows.