Upload 50+ Digital Products Shopify

I’ve just finished preparing the files for more than fifty digital products and now need them live on my Shopify store. Each item has its own ZIP or PDF ready to go, but I’m starting from a blank slate on the storefront: there are no listings, no thumbnails, and no copy... (Budget: $15 - $25 USD, Jobs: Content Writing, Data Entry, eBay, Excel, Product Descriptions, Product Management, Shopify, Shopify Development)