Around any service sector revolve unscrupulous comrades who want to cash in on honest people. Perhaps in comedies about scammers (like «Catch Me If You Can» or the recent «Trick» with Will Smith) it looks funny and romantic. But in real life, it is unlikely that anyone will like it if his card pays for three flying drones for $ 3,500, several expensive bags and 8 pieces of iPhone 6 Plus for 128 gigabytes.