Worried your child will come home with lice? Here's an easy solution!
Magic Laundry Spot Remover (even works after stain is set in after dryer)
Throw down some baking soda, spray a 50/50 mix of vinegar and water, wait a few hours, scrub then vacuum
The Best Homemade Stain Remover Recipe
A simple trick used by major vacuum sales personnel to remove carpet stains. No fancy equipment needed, just things you most likely have on hand. Works great on old stains, too!