I agree, I feel really frustrated that a multibuy option is not available on Squarespace Stores. They can spend all the millions they want buying all the advertsisment spots in the whole of Camden Town station to advertise their platform but if then the platform lacks basic selling tools then is all pointless.
We need something like this for Squarespace: https://www.frooition.com/blog/2019/12/use-ebay-multi-buy-discounts-to-increase-your-sales-in-2020/#:~:text=Within the Frooition listing tool, the option to,to apply for multiple