I completely see your point about the fixed rate. However, the benefit of a flexible plan is that you can lower the price of the initial payment and make a litt

I completely see your point about the fixed rate. However, the benefit of a flexible plan is that you can lower the price of the initial payment and make a little money every time you are really helping your customers (detecting a no-show). You potentially save your customer money and take a fee for this service. I get now that that's not what you want - just wanted to offer a different perspective.