Few things are as depressing as sweating through a hard job and realizing that you've underestimated expenses and will either just break even or lose money. Because most remodeling contractors are not electricians, this is an area where it's easy to bid wrong. Having technical knowledge of electrical is essential for an accurate job estimate. In this article I'll look at some common problem areas where I've seen contractors underbid. If the remodel requires any electrical add-ons, you should first look at the main service panel. Identify any existing problems within the panel and determine how much room is available for additional circuits. These panels will either be fuse boxes, circuit breakers, or a combination. Fuse Boxes If the main service panel is