They will follow you with offers ( some of that offers fake) and they will be decent till they get your credit card details, after that no reply, they take money from your bank account without your permission, they will say they will call you and they will never do that, they will ignore any messages from you to help, they do not respect their policy, no notifications if they cancel classes, and never give you money if they take it, they will send you Email to threaten you to give them money of classes that you do not take
Escape and block them