I get my wood for free - BUT - I have 3 hours driving time per 1 1/2 cords, chainsaws and maintenence, splitter and maintenence, and tons of handling. My wood bin would easily hold 6-8 tons of coals, where I have to refill the wood bin 4 or 5 times a year with wood. This after the labor of cutting the wood, hauling the wood, splitting the wood, and piling the wood. I think I'll purchase enough coal for a full season and then suppliment it with wood, but with wood cut more at my convienence. $1250 is the cost for coal for a season, approximately, compared to $1800 for my back-up LP. So it is still very cost efficient, but supplementing it with wood will be my most economical alternative.