[drsim]

Launch on BigCommerce, where you can use your own billing, and come back and tell us how that went.

Hint: poor conversion rate because merchants need to enter their CC details, and low volume. 20% on Shopify is a steal IMO.

[notdang]

Last time I checked, it was pretty complicated to publish on BigCommerce App store, they allow only pre-approved partners. Did it change?

[drsim]

There are some hoops and a fee to pay to join. It is effectively 'open' though.