Why not use a custom post type (products) with a rewrite to store. That way your /store url will be the archive page for your products. The client can just add products as custom posts, complete with your mapped ACF fields, and they will automatically pull into that post type archive, i.e. /store.
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2022 was a big year for Advanced Custom Fields, with more capabilities, a new generation of ACF Blocks, a refreshed UI, and a new home. Our year in review post looks at advancements we’ve made and offers a glimpse of the future. https://t.co/HahJUCcyH4