This site is a treasure-trove of insights that can help clubs see the importance of having a shared, owned platform https://platform.coop/
Category: 5. Online market place
https://www.faire.com/ Faire helps all shopkeepers buy quality products in wholesale from independent makers and artisans. Any local club can organise to buy in bulk from Faire for their local marketplace.
We are working hard to develop the suite of applications that will allow your 146 club members to borrow, sell, create deals and invest. The diagram below shows the basic functions envisaged. help us out buy giving us your ideas.