I saved up my allowance for two months simply to buy enough UC to get the Lucky Spin Royale pass
https://brookszpsv771.raidersfanteamshop.com/why-i-always-top-up-during-pubg-royal-pass-season-and-you-should-too
I saved up my allowance for two months just to buy enough UC to get the Lucky Spin Royale skip, making the grind definitely price it.