A pipe springs a leak, the drain backs up, or you need professional help with the water lines when remodeling a bathroom-these are all good reasons to phone a plumber. But sometimes you pick up the phone in need of emergency help after making a mistake. We compiled a list errors we see most frequently so you can avoid them. 1. Treating the garbage disposal like a trash compactor Despite the name, not all garbage belongs in the disposals. Most garbage doesn't, yet some homeown