If you have the forms module on your site you can manage the profile fields to be filled out by members signing-up through the admin centre.

The main features of your site i.e. homepage items, SEO, feedback etc can be turned on and off via the admin centre.

Credit Card payment options can be integrated into payment methods and the acceptable cards can be enabled and disabled, surcharges added and CCV confirmation enabled

Setting default tax for service, shipping or payment processing adds a set amount or percentage cost to any item, order or payment method respectively by default

You are able to set exchange rates when using a multiple currencies (minimum of one default currency and two optional currencies must be added to use this feature)