Originally Posted by sneaky_squirrel
I think he emans that we will be able to buy them by unlocking them, not buying the locked units for free ;p.
Just hope they aren't essential for combat.
But then that suggests you HAVE to have the required 'influence' to unlock units you've already purchased? Otherwise it would be redundant if purchasing it gave you the influence, no? Neither of those seem right, though they could be. It's all speculation for now.