The Krack vulnerability is potentially affecting every Wi-Fi device. Learn more about it and use this protection guide to secure your data. The Krack vulnerability is potentially affecting every Wi-Fi device.
In addition to the per transaction fee charged to you by the credit card processing company, you may also be assessed a minimum monthly fee. If you do not do a certain level of credit card business per month, the company will charge a minimum fee, usually around $25-$50 per month.
Credit-card processing and transaction fees: Again, these typically fall between 2% and 3% per transaction, but they can get as high as 4% for international transactions (which may or may not include a currency-conversion fee). Implementation costs for setting up equipment, such as POS terminals.