I saved up my allowance for 2 months simply to buy sufficient UC to get the Lucky Spin Royale cross

https://www.tumblr.com/suspiciouslysentienttundra/806803438896906240/my-honest-pubg-mobile-uc-top-up-experience-with

I kept up my allowance for 2 months simply to buy sufficient UC to get the Lucky Spin Royale circulate, making the grind absolutely worthy it.