Scrape the surfaces to be painted with a single-edge razor blade to remove soap scum buildup. Focus on areas under the soap tray and the tub or sink drain. Wipe all scrapings into a garbage bag.

The bathroom is supposed to be a spa retreat, right? But chips on the tub, stains in the sink and ugly tile are less than luxurious. So it comes down to a choice: Refinish or replace. If it were easy, ...