When I was about 6 or 7, I think, I knocked on a couple of neighbors' doors to see if they would pay me to rake their lawn. One neighbor said yes, and gave me a dime. I think I must have raked for about a minute before I decided that it was really way more strenuous than I'd thought it would be, so I decided to give up and go home. I'm not sure how my mother knew what was going on, but she knew I had been paid a dime and hadn't done the job as promised, so she explained that I had to go back to that neighbor and return the money. I sort of squirmed about it but agreed to give back the dime. But instead, I went outside and buried it in the dirt sidewalk in front of my house. Then I went back inside. My mother laughingly scolded me, saying she had seen me bury the coin, and that now I had to go out and dig it up and give it back for real! Which I did. All in all, it was a pretty humiliating experience, but I guess I learned a lesson.