Recently, both unlimited and half-quota accounts are in use. Half quota falls to 50 the next day. Unlimited accounts are pits, and binding cards are 25... I don't know if you have this problem
The quota is dropped because the number weight is too low, which is caused by many reasons, such as insufficient time for maintenance, less money, etc. According to the recent situation, it is likely that too many pages are suspended, and rejected once suspended.
As for the unlimited accounts, it is likely a $25 limit, but the payment method is not bound. Pay attention to avoid pitfalls.