We are looking for a programmer who can help us implement a one-click upsell.
Briefly, we are selling a real estate product for $47.
It is integrated with Paypal Pro using their API.
The order form is currently working.
We need your help to implement a one-click upsell.
After a customer hits the "submit" button from the check out screen, ...
Skills: html, mysql administration, php, payment processing, paypal development