These days you do not have to look far for DIY home improvement tips and tricks, for everything from installing an air conditioner to bat proofing your house. YouTube, Facebook, and the websites of most big chain stores, regularly offer large repositories of advice, tricks, pointers, instructions, recommendations, ideas, and tips for home improvement, for every skill level from beginners to experts. Creaky floors? Before you go out and buy tack nails, search for DIY videos that can show you how to shim the underside of hardwood floors from the basement. Winter coming? Learn the easiest and cheapest ways to…