Tip on using training droids
The game doesn't gove you back change when you over train, and it automatically makes you pay with the most expensive droids. You essentially overpay. I clicked assign all to level and it used 4 of ...
Forum Discussion
If you start with lowest to highest though then you burn through all your low ones in 1 training. It is most efficient to assign all the largest to see how many you would need, then assign one less of it, and work your way down each smaller size the same way.