In the e-commerce you can create an order and rename it as an invoice. With the form of payment you can make standard payments for. Paypal etc. or make individual payments.

JJ.

If you wanted to ask something else, please give more details.

Hey Mika,

Here https://wsx5.afsoftware.fr/viewforum.php?f=108 you many things, solutions and complete tutorial on how to create an e-Commerce website 

Hope this helps

Regards

https://wsx5.afsoftware.fr