I had to cancel a credit card because of Google. I tried buying 4 pixel phones from them. They cancelled the order 3 times after exactly 7 days, but didn't cancel the transactions on my card. I obviously didn't have that much money on my card (meaning the limit was lower than the amount). Increasing the limit would've released the money to Google automatically. So I cancelled the card and reopoened. I bought the phones from a local dealer afterwards.
It is the nature of the credit card system that refunds may take 5-10 business days to show up on your statement. That isn't the fault of the merchant.
