$10 for My Autograph

Sold a book for $15, and received $10 extra for? It's my second time getting extra money for the book! I am very thankful 😊 -How much is it? -$15. -That’s all? -Yes, but I never say no to more money 😀. -I know you worked hard for it. Here is $ for the autograph ✍🏻🙂