I know what you mean, we've got a woodstove, I bought one load of logs for 70 quid back in June, and thereafter I've been out and about in my van with a 30 inch Bow saw, and chainsaw, and picked up fallen limbs from the verges etc.
It's been enough to keep us ticking over generally, but if there's a chance the fire will be lit most of the day, I may have to bite the bullet and get another dumpy bag full.