This may be irrelevant but in my business we compete directly with all comers on branded products to a wide audience, online. We sell a LOT on ebay and anyone can get a product data feed from Draper, Silverline, Toolbank or whatever and have 25000 products listed in 24 hours. Most do. Most make a loss and have no idea. Most are gone within a year, having spent that year frantically packing orders at a loss.
The ONLY way to compete is to actually offer a real service. In our case, it's the same product so we can only compete on actual service, after sales back-up etc. and we do this very succesfully. In the case of firewood, the product is perhaps as much or more of the picture than the service.
So offer both. Offer a premium product all the time. When they buy from you, they know what they are going to get. No odd bad loads, just A grade firewood EVERY time. When their delivery arrives they know they can have a roaring fire within half an hour. I think it was Thrust who said about monied people and this is very valid. They have cash, good luck to them. They have a party or nibbles or whatever and they will pay for perfect firewood just like they will pay for a luxury hamper or the best wine. That is their right, be the guy who supplies them. Be open and knowledgable about your product. Know what species you are selling, how they will burn and why you have mixed them in the way you have.
Think of ways you can streamiline the delivery process not just for you but them as well. Is tipping a pile of logs on their drive OK? Would a vented bag craned off be better? Would it pay to pay a teenager to help you stack the wood for them? Whatever. I'm not a log seller so have no real ideas but it's a fact that the principles of sound business are pretty much the same whatever you do.
My main tip would be to not get hung up on price. Yes, you have to sell, I know that but you may be suprised if you are brave enough to have a great product and hold your price.
Dunno, just my thoughts.