Could you please elaborate on "set price?" (I usually say flat rates, this seems to be more of an acceptable term.  If you know it to be something different, thank you for explaining.)  I write about food, eating, diets, and the chef and home cook experience, as well as doing some Private Chef work on the side for many years because I love to cook and no longer have a family to cook for.  I have charged flat rates, but from what I have read, I may be charging too low.  I...