baking soda, wet down couch and sprinkle baking soda all over the seat of the couch (using a wire strainer to give some uniform coverage). Vacuum w/brush attachment. Use if one of your children gets sick on the couch.
Unblock your drains without pouring harmful pollutants into the water system by pouring down 1 c of salt and 1/2 c of baking soda mixed together, followed by a kettle of boiling water. Can also use baking soda and white vinegar and boiling water.