ok the whole "vapes make no smell" thing is not exactly true. im not gona lie they do make smell. especially if you take out your bowl in teh bong and stick the vape whipe tube down into ur bong then do what i call BONGERIZATION MUHAHAHHAHA but uh. oh yea. if vaporizing does make some smell but its really really easy to cover up. if youve got a fan in your room and like half a stick of insence you can vape as much as you want and the smell wll be gone. its really easy to cover up but if you think that just makes it look suspiscious the smell is usually completely gone like 5 or 10 mins after u put it away.