Need some guidance with project im working on

I am building an app that will have 2 main functions:

  1. Marketplace
    Classical marketplace with an outside warehouse vendor (partner) with products that I can list on the application (dropship) and delivery is handled from his warehouse How to connect with the partner warehouse? what directions and solutions to consider?

  2. Social network
    in this function, I want to have a transparent showcase of all the money made through the marketplace with all the standard social network features.
    How to build this in bubble? what directions and solutions to consider?

Thanks in advance for your help