I called Roto-Rooter (800- 768-6911) on Friday May 6, 2011, to unclog my kitchen sink. Guy arrives on time, works for a few minutes, couldn't find clog with his few moments of snaking then guessed problem was unvented pipe. We explained that pipe has never been vented in 7 years and it has NEVER clogged before. Roto-Rooter guy demands $150.00 even though we were all still looking at my clogged sink. The Roto-Rooter man leaves my place a mess and leaves my house angry. I called the same number (800-768-6911) back on Monday morning... read full review »