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.
Square tells us its average transaction is $75. (This is surprising. The fees Visa, MasterCard and AmEx charge for payments processing vary, but the typical transaction on the back end is 1.65% of the total plus a 10-cent transaction fee. If a merchant does $10,000 a month at $75 per transaction, Square brings in $275.