Remove stubborn price tags or stickers. Paint them with several coats of vinegar…

Remove stubborn price tags or stickers. Paint them with several coats of vinegar, let the liquid soak in for five minutes, then wipe away the residue.
OR Kill weeds between cracks in paving stones and sidewalks. Fill a spray bottle with straight vinegar and spray multiple times. (Be careful not to get any on the surrounding grass, as it will kill that too.)

Source by stewpatty