Spend money to avoid waiting for a timer to expire.
"Aside of Tactical Challenge tokens, you can also use Pyroxenes (Premium Currency) to recharge AP (up to 20 times a day). it gets costier as you try to recharge more in that way (price resets daily)"
"Nuka cola quantum, the games premium currency, can be bought for real life money. It is used to skip more than one quest a day and to speed up training of dwellers or to time skip in quests."
"In the Tower, an unlockable later, you either have the choice to wait 6 hours, or skip the timer and play now with, you guessed it, CRYSTALS!"
"pay to skip "repair" cool down when you lose a ranked game with your ship design, can also do this with celestium which can be obtained for free but not in large quantities"