Originally Posted by
RageHammer
You are right, if you only log in 2 times a day for short periods of time there is no way to keep all your mines open it is a mathematical impossibility. Ubisoft expects you to log in multiple times a day or stay logged in to keep all your mines up and running at full capacity. You'll either have to buy gems to get an extra geologist or earn some gold for the 3rd one. As casual as you are 3 might not be enough for the marble, copper, stone, iron, and coal that you have to mine once you get further into the game.