I live in a rural area & work a 90 mile radius, somtimes a tad further if the job warrants. When they call, I tell them, if I'm working in your area, I'll gladly stop by & write you a bid. If they want me to make a special trip, I tell them up front, there'll be a service call charge for the trip. If we settle on me doing the work, I'll waive the service call charge. Fuel is expensive & my time is valuable, even in these slower times.