A good hatchet will get you a long way. The right weight the quality of iron will make processing stock that much easier. Yes, a cheap modern hatchet will get you started, but the old hatchets are still to be had at local flea markets, and antique stores. There is the more expensive option of getting one of the premium hatchets from Lie Neilson, Lee Valley, Black Bear Forge, and other fine smiths that this wonderful hand tool revolution has sparked. So with this in mind; Get thee hatchet!