I work with tons of software companies that pass additional fees onto customers (so like 4% processing fee, and keep the residual). Note - none of them I work

I work with tons of software companies that pass additional fees onto customers (so like 4% processing fee, and keep the residual). Note - none of them I work with have used Stripe. They are normally using a gateway provider (like NMI) and a payment processor (like PayPro, Auth.net, Vantiv, etc). Stripe combines the merchant, gateway and payment processor into one bundle.