Another thing to bear in mind is that depending on the game, different button presses take different lengths of time to register. (eurogamer.net)
The graph below illustrates the range of annualized returns based on different starting P / E ratios and over different lengths of time. (regentatlantic.com)
While I also don't mix different batches of beans, since they may cook at different lengths of time, all my white beans are different. (tastespace.wordpress.com)