in our area, most everyone charges by the square footage. in south georgia, you'll get anywhere from $2-$3.25 per heated sq. ft. (heated for residential contractors, total sq. ft. for self-contracting or a one time job) this is for a CODE job. as in, you'll get one switch controlled light in a room, and recep every 10-12 ft. that price will cover a 200a panel, but not the SER and disconnect if required. you'll get one heat and air, one water heater, one stove, hood, dishwasher, washing machine, dryer, etc. . . anything that isn't required by code is not included. recessed fixtures are $40-$45 for lithonia lcp's w/ co1 plain white trim. its the easiest way to figure a house, and you can make money. you have to remember though that the cost of living in south georgia is EXTREMELY low. any extra receps needed will cost anywhere from $30 to $60 a piece. tv and telephone drops are about $30 a piece. bath exhaust fans run about $35 for an el cheapo. on a 2000 heated sq. ft. house, i'll get about $6800.00 which is decent money here (although more would always be nice). I did an 1800 sq. ft. house that ran $13,500. you can build an average house here for $50-$75 per sq. ft. - A "luxury" home will cost you about $130. But i assure you that extremely low wages follow that low cost of living. The median income for my town is $20,200 a year, and the median house value is $56,300. Its all relative. But like i said, sq. ft. pricing is definitely the easiest; you just need to figure what its going to cost you to work in your area.