Some simple rules to prevent Your cracked account from locking.
Do not use vpn or proxies on cracked accounts!
Do not change language!
Dont make new profile!
Not sure about last, depend on owner of account (Watch in kids profile!).
Do not auth with mobile device, try to do it with clear IP!
When You Log: KEEP LOGGED & DONT CHANGE ANY SETTINGS (KEEP LOGGED IN INTO ACCOUNT, DON'T SIGN OUT).
Recommended : 1 Device
Avoiding rules will cause avoiding warranty