About 8 years ago, I was offered a job in door to door sales. I thought it would probably be the scariest, hardest job I could ever do. So I took it. I figured if I could spend a summer selling coupon cards to strangers on their doorsteps then I could probably do anything. I was right. I learned that selling anything door to door pretty much sucks. But I also learned that being positive and resilient is an asset in any line of work. Hell,