Q: I returned home from a business trip last week and, walking up the stairs, one of the steps actually lifted up from the back as I put my foot on it, then flopped back into place as I continued up.

Any idea what it might cost to repair loose treads on a staircase? Our home inspector suggests having them repaired from the underside. Is this expensive?

Creaking, squeaking stairs make fine background noise for suspense movies but can be a major nuisance in homes. Whether noisy stairs are easy or difficult to repair depends on their construction. If ...