Javaslinger,
Go to the local Post Office and purchase a money order. That is how I paid for SE4plain Last year. Shrapnel makes it easy to do that. You put in the order on line and get an order number to put on the Money Order and everything works great.
Also most bank ATM cards these days work as a CC now. I use my ATM card to buy things Online all the time. Just make sure it has a Visa or Mastercard logo.
And yes we accept checks and money orders also.
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Change is inevitable, how you handle change is controllable - J. Strong