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I closed my account with Avant because they charged $59 AF. I was offered the same card with 2% CB with $0 AF on CK so I decided to close it and re-apply. I waited a month to re-apply but it was rejected because they said I had an open account with them. All my credit show it's been closed. So how long do I have to wait to get re-approved?
why Avant?
if your credit score is around 600, you may be better off with a Cap One card or something else. Even for rebuilding, Avant has a bad bad reputation of AA (read credit karma reviews!) and...ehh... I just dont know what kind of profile avant goes after. I wouldn't waste my time, but I dont know your situation. It sounds like they haven't programmed their tech to account for this situation which to me is another red flag.
good luck either way. Avant seems to also be known for doing this bait and switch stuff.