I stored up my allowance for 2 months simply to acquire enough UC to get the Lucky Spin Royale bypass
https://www.scribd.com/document/1073402985/Switching-from-Gift-Cards-to-Web-Based-PUBG-UC-Purchases-Pros-Cons-174391
I stored up my allowance for 2 months simply to buy satisfactory UC to get the Lucky Spin Royale flow, making the grind utterly really worth it.