Fans of the TV show This Old House know there are some things you just have to love about an old house. Molding and trim that wasn't just slapped on the wall, but was obviously a labor of love. The interior's original hardwood floors that continue to stand the test of time, and a rich history. However, some things in an old house can drive you nuts, like old plumbing. When that happens, consider contacting a This Old House plumber for your old house. Some things you chalk up to the character of the dwelling. The slope in the dining room...