Build a custom property editor that will populate the checkbox list with categories using an api url.
Create folders under Media
It is easy to upload images to Media folder in Umbraco but there are some instances where you need to upload images to media folder programatically, via code.
Custom data can be stored in uCommerce using Fluent NHibernate mappings.
Use the below SQL script to get all the Urls in your Umbraco project