I stored up my allowance for 2 months simply to purchase adequate UC to get the Lucky Spin Royale pass
https://blogfreely.net/reiddarqfi/buying-pubg-uc-for-new-mythic-outfit-releases-my-shopping-strategy
I saved up my allowance for 2 months just to purchase sufficient UC to get the Lucky Spin Royale go, making the grind entirely really worth it.