Well, just tested and... NO. It doesn't do this.This Mod already do this... For crystals and gold.
Bought some stuff until it goes to 0 ('zero')... and NO, it is NOT unlimited.
When you aren't sure about what you're saying... just DON'T SAY. Keep it to you. Now my account have 'zero' crystals due believing on your 'platinum' status to follow what you said... shit talking.