Best Way to Build the Minimum Viable Product Sales Funnel? And what traffic?

Hi all,

Have a new idea of a e-commerce product that I want to sell and so I want to construct a minimum viable product type of sales funnel (kind of like selling the goods before I actually stock/source them). Does anyone have a recommendation of the best/quick way to do it? I have experience with wordpress/woocommerce but not so much with shopify so any insight would be appreciated.

Also what would be a good type of traffic to use as a test run? I was thinking pops (so I don’t have to both ...