UPDATE: I just checked my bank statement and it’s even worse than I thought. Because the system processed the incorrect $504.00 base amount, it automatically calculated local VAT (taxes) on top of it, adding an extra $65.52. The absolute total taken from my card by this single-click bug is $569.52.

Here is the proof of the bank statement pending charge:

https://ibb.co/tMVkf0nx