These points are a good inclusion. Especially the point that talks about members being able to pay whatever they have to in order to get in the trade, regardless of the price being reasonable. Sometimes you just never know if you have hit jackpot or not. All you have to do is take a swing. If the ball enters the puck then you win big; if not, you take another swing. The trading game is just such that you need to think about liquidity as well as your investing horizon.