Bots are quicksell vendors that immediately deliver goods when a trade offer is sent, and often change their prices to compete with other bots and other human vendors. This allows people to quickly trade, sell, and buy items without the wait or hassle of a human trader. However, this leads to the problem of the economy. They lead to overpricing of the currency, or most likely underpricing which leads to inflation as each key and ref become less and less worthwhile, much like what happened with t