wood is a natural product and is subject to change. the easy to read dial not only tracks air pressure, it also clearly displays when it is a poor, good or great time to toss a line in the water. we also offer 2 premium membership accounts which offer greater flexibility in managing your traffic needs. i can't speak to the mechanics in action, as i have not actually played. there are no rules or laws of how a seller will act, if you are serious about the home put your best foot forward. 