Being a sitter is a big job. In the simplest terms, you are being trusted with a life. Every parent is different, but all parents think about the safety of their children when considering a sitter. Most of the time, the job is low-stakes. You play some games, maybe watch a show, and then get them into bed—and that’s it. However, it’s the once-in-a-blue moon, high-stakes settings (chokings, allergic reactions) that you want to be…