Here's a link to the WBC modules:
https://courses.expertuniversity.com/products/wholesale-buying-club-2-0
The first category is "Getting Started". We suggest going through all of those.
https://courses.expertuniversity.com/products/wholesale-buying-club-2-0/categories/23319
Then go through the "How to Use the Webstore":
https://courses.expertuniversity.com/products/wholesale-buying-club-2-0/categories/23337
Then working with Supplier Files:
https://courses.expertuniversity.com/products/wholesale-buying-club-2-0/categories/1413825
After that there are all the specific suppliers, with their files for you:
When you're ready for it, here's the training on the Supplier Database: