Okay
Okay.
Play style
I level all my troops half way since Challenge events and Tourneys award emblems but restrict troops.
My 2* level 7 troops were really helpful for 3* Tourney and Rare Tier Challenge events.
My 3* level 10 troops were really helpful for 4* Tourney and Epic Tier Challenge events.
My 1* level 5 troops are waiting for 2* Tourneys if the Tim follows through on the desire to have every hero in the game be useful.
Free storage
I actually keep three of every type ( total of 45 ) because troop storage is free.
But I only level one of each ( 15 total) because crafting troops is not out yet.