I use to sell a lot of timber lump sum for clients in NW FL. One tract I sold I had estimated about $190,000 as the price. I had 6 bids, the first 5 were within $10,000 of my estimate and the last one I opened was $300,000. The old boy had an error in his bid, but he paid up and lost his butt. That was one of the worst mistakes I have seen, but I knew him and it tickled the crap out of me.