"I don't think I'm up to the title of harvestor because the at the most I take three chips. One for me two to trade, and even at that I still have just about every, eatra to trade, still sitting in the box."

Hey Pete; There is NO minimum on the number of roulette chips that happen to "walk" from a table in order to qualify as a "harvester". Build just ONE bridge ... you are now a "bridge builder".