When buying vinegar to use in the laundry, choose distilled white vinegar with 5 percent acidity. It’s is a great addition to laundry for lots of reasons:
It’s Cheap
Plain distilled white 5 percent vinegar runs around 2.5 cents per ounce in the typical supermarket when purchased by the gallon.
Name-brand liquid fabric softeners come in at about 8 cents per ounce—around three times the cost. If you don’t use liquid softener, dryer sheets are a cheaper way to ruin your clothes and linens: On average, they are about 4 cents per sheet.