Small random-orbit or pad sanders make this job go faster. (Wallis first covers these boundaries with Synkoloid patching compound so no edge is visible after sanding.) As shown, you want to make sure that there is a feathered, smooth transition from exposed wood to old paint. For areas that might get close scrutiny, you can follow up with a 100- or 120-grit rubdown to erase any scratches.
Give your fireplace mantle an accent paint color, as this adds a quick update without having to tear anything out. In the kitchen, give your cabinets a new look with a douse of kitchen cabinet paint for an affordable and satisfying update. Countertop paint makes kitchen countertops look new again. You can do it yourself with a countertop paint kit in less than a weekend. A worn-out bathtub can look new with a coating of bathtub paint. Even your tiles can get a refresh or touch up, try tile paint on your backsplash or shower. Pro-tip: Use semi-gloss paint for kitchens and bathrooms as they wipe down easily.