They do not properly post account balances and payments. They are still a headache for me. Paid off in full and had been on the phone with a rep who closed my account after paying in full and somehow I have debt in which they claim I never made the payment.

I have been with Barclays for decades. Their interest rates are permanently higher than any other ones, and never 'fake', meaning they drop dramatically after they got you to sign up. However their website/online account is terrible. The worse example is that if you have 2 joint account holders, they send identical emails to each one of them, for every little task you do. So making 2 transfers each month and retrieving the statement will get you 10 emails, because once a month they want you to verify your personal information. So I used a temporary email, as said, their rates are the best.