What scams have you encountered?

When I was in college, I was walking on the road, and a handsome guy came over and said that he was traveling alone and his money was stolen. He wanted me to give him hundreds of dollars for the trip, and he said he was willing to take his things as collateral. Along the way, the handsome guy has always hinted that he is a rich second generation and his family is very rich. "You see my watch, XXX brand, which is valuable and can be given to you. Tell me your contact information and I'll contact you as soon as I get home. I won't forget you, have a holiday, you can find me in XXX ... "