DEAR TIM: My son tried to do me a favor while I was out of town by caulking my kitchen backsplash. Although his intentions were wonderful, his skill level leaves much to be desired as he made a mess ...

Due to high humidity levels, mold can sneakily build up in bathroom corners and crevices. Porous surfaces in the shower, such as grout and caulking, are especially vulnerable to mold and mildew growth ...