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.
Ever have any dolls with ratty, tangled hair? Here's a simple way to make it have beautiful hair again. Mix a few drops of fabric softener with some water and dip a comb in the mixture and brush the doll's hair out.