How can we improve WHMCS?

Hello, the idea would be that for example:

Example price: $ 13.00
But the Final Price We Set is: 14.06 $

Why $ 14.06?

For example: Paypal charges $ 1.06 of Commission for that is the Final Price that we put on the product.

But If the Person wants to pay by credit card (Stripe)

The Final Serial Price: $ 13.70
Since Stripe Only Charge: 0.70 $ of Commissions.

The idea is that when choosing the payment method the client will reduce the price so they will take advantage of the low commissions that one payment gateway has to another.

Therefore, the idea would be that in the Payment gateway one can specify the commissions For example:

paypal: 5.4% + $ 0.30 USD
stripe: 2.9% + $ 0.30

Then in the invoice you put: Commission By Payment Processor.

So we can set the price of the products without including the commissions, so the commission is already included according to the payment method chosen by the user.

It would also be Ideal that in the payment processor For the sale of Domains you can choose 1 or more payment processors when selling domains.

For example: I would only like to process domain payments only with a credit card.