Pod Spend rate limit problem 5/hr

My account used to have a spending limit of $100 per hour, but one day it suddenly changed to $5 per hour. I submitted a form to request an increase, but after days and days, there was no reply or response. So, I joined their Discord to ask for help. The helper was great and changed my spend rate limit to $80 per hour, but just a few days later, it reverted back to $5 per hour again. I have no idea why and I'm so confused. After a few more days, I received an email asking me to fill out another request increase form. I filled it in and submitted it, but after a few weeks, still no reply at all. I've spent a few thousand dollars on Runpod, and now my account is limited to $5 per hour? please help thank you.