Don't buy driftwood. There are many places to gather. For example, the southwest end of the Howard Franklin bridge on the "causeway" has absolutely EPIC pieces of driftwood from tiny to GIANT , dump trucks full. Bring you a little saw and have at it. Look down on the back sides of mangrove shorelines And you will find all sorts of various driftwood that is typically old and often dry. Areas near the saltwater are your places to look for wood.