I think I should inform moms of the world of a very simple, yet effective way to gauge whether your new babysitter will be returning on a regular basis. What does she drive? If the car is nicer then yours, just forget it. The job you have is too much hassle for the money which is most likely being supplemented by her parents. If her car looks like it is about to fall apart, then rejoice and welcome her into your family for years to come. A new sitter for us is coming on Friday–how will she get here??