Homeowners and renters who have carpets want to keep them clean. But how? DIYers (like myself) have two choices: We can rent equipment from a big box store, lug a too-heavy machine home, and do the work ourselves. Or, purchase a shampooer (me, again) and leave it in a corner for the next six months until it’s time to shampoo again. That’s a problem you can solve. Get tips from a professional rug shampooer and learn how to make this home business idea work.