It's easier than you might think for teens to buy restricted e cigarette devices online CNN How Old Do You Have to Be to Vape? Complete Guide Vape stores reminded to ID customers to avoid selling to underage teens Underage vaping is a huge problem in Oklahoma, and law enforcement is stepping in. Officers in Nowata teamed up with the ABLE commission to run undercover checks using teens to see if Bumming, Borrowing or Buying from Someone Else We Card Clerks part of underage vaping problem, local prevention director says