Dear James: We plan to add a half-bathroom, but our house is built on a slab. Is it possible to still add a bathroom there, because there is no drain to the sewer in that spot? -- Charlotte G. Dear ...

I plan to put in a sump and a pump in my cellar to protect against flooding. How can I cut through four inches of concrete to dig a sump? There are concrete cutters out there who will do the job for ...