Replacing windows yourself might seem like a smart way to save money, but there are a few details that can quickly turn the project into a costly mistake.

Dear James: It would be easy for a thief to break through our utility-room window. I think a glass block window would be better. Is it difficult to install a mortar-type glass block window or is a kit ...

If your current windows have broken panels, look worse for wear, or aren't energy-efficient, you might want to replace them. Alas, new ones can cost from $3,441 to $11,840, depending on the number of ...