Remove drain traps under sinks and clean them thoroughly. Clean pop-up drain plugs. Inspect the linkage for pop-up drains to make sure they are set properly.
Inspect grout and caulk around tubs, sinks and showers, Chip out cracked grout and replace missing grout. Stained, discolored and mildewed caulk should be cleaned with trisodium phosphate or another household cleaner. If the caulk remains discolored, remove it and replace it with fresh, mildew resistant caulk.
Refinish furniture in a heated garage or workspace equipped with ventilation fans. Otherwise, use water-based strippers, paints, stains and varnishes that are especially formulated for low odors.