Just make sure you don't get sick.
replies(4):
Don't forget the free fishing rod/equipment.
My parents would heat their home this way. Actually, I think they still do. They'd gather all sorts of wood from fallen trees on other peoples' land as a sort of "service" aka- they haul it away and you don't deal with it. Is it worth the cost savings? I highly doubt it. They're just not good with managing time/money.
From what I can tell both of his services are pretty popular.