Get a sewer line camera inspection — no matter how new the house is. I don't care if it's brand new or the sewer line was replaced three years ago — for around $200, a sewer camera can save you from a $2,000-$20,000 nightmare. If the sewer line is bad: Get two bids. Talk to both contractors. Choose the one you want and put it in the repair request. After the repair is done — before the dirt goes back in — camera it again to make sure it's actually fixed. Sewer problems are one of the most expens