I honestly think it’s not worth it. i had gems and used it couple times. I think it is based on how many people register their case using lawfully and not the actual number. For my I-765 in NBC says my case is ranked 400th/631.

And it kept telling me 100 cases behind me moved ahead of me, not sure why is that, if these are all expedited or

i just cacel my premium not worth it, in my opinion

I got discount for half year. but not worth it.