Complaint Review: Commentiy Bank Flor & Decor

I was told my initial purchase was zero financed 18 months. I paid that in full, and I had a second purchase of $200. I did not know they folded it into the original purchase. I paid the full amount for the initial purchase.

I am now being charged $600 interest for a payment that is 8 days late. I believe I should be charged a late fee and interest on the $144.36. They are insane and disgraceful not to accommodate the issue. Charging interest on promotion paid in full.