As per client request in the OpenCart options to add Upsell concept at the end of sale. For example: If customer purchase a product we will list all the other related products and it should also consider buying option. It will be a good option to motivate the customer to purchase more items. We take existing plugin from the open cart and we customized to show the products as per client requirement places.
Also, we have done some more custom changes on this website like
– We added tracking attachment along with Invoice PDF
– Integrate tier price option to each product attribute options
– Custom Inventory stock increase or decrease options
– Billing and shipping details auto populate to both frontend and backend. So it will very helpful to add manual order in the backend
– Added custom code on the sale items