Coupon plus full price covered application

Coupon plus full price covered application

Legally code this add site add on for WordPress:

1× Reface my friends checkout cart and billing page with:

1x Basic invoice

1x  percentage discount coupon code plus full fee covered

% discount coupon codes plus full price covered application:

40% off discount full price covered software installation. With setup testing and deployment.

You or your team are hired to legally put together: 

1x Basic invoice on a website.

 1x 40% discount for customers each checkout 

1× 40% discount fee covered for seller, and 

1x Instant direct deposit to sellers cash app the same day.. 

For ex: How should the % discount coupon codes plus full price covered application work: If I the customer pay with an universal pay card of  $100 for a product on the site, in checkout, I spend only $60 for full cost instead. Then the website Owner receives the full $100 payment for the successfull paid transaction, and withdrawal it to his cash app instantly.

The % discount coupon codes plus full price covered application should also cover the discount fee.

You will be paid separately for upgrades and maintenance.