It's a sweet thought and A noble idea but sadly I don't think it would work. First night it would likely get stolen plus they couldn't afford the e juice and these people usually have no access to electrical outlets. They are trying to survive, worries about where their next meal will come from, I doubt they could keep up with vaping. E juice, charging, tanks, ect. It's not realistic. But a very sweet thought. If you want to make a real difference donate clothes and food. At Christmas I'd go donate toys to the homeless children shelter. Give the basics they will be great full for it!!