Ditto. Moving to Shopify. It's insulting to ask us to input the thousands of sales tax #s manually.
May try an interim solution of downgrading my SS subscription and embedding Shopify products, since I value my current design. We'll see though.
Another vote for Pay what want similar to Bandcamp.
We've seen about 50% of customers visiting Bandcamp pay up to double the minimum price and would love to have this on our Squarespace store.
Inventory tracking component is important as mentioned earlier in this thread.