Local > Product basics
If you are new to the Shopify platform, it might be useful to familiarize yourself with it first, here a few useful articles related to products:
Adding and updating products
https://help.shopify.com/en/manual/products/add-update-products
Creating product collections
https://help.shopify.com/en/manual/products/collections
Setting sale prices for products
https://help.shopify.com/en/manual/discounts/sales
Assigning inventory to locations
https://help.shopify.com/en/manual/locations/assigning-inventory-to-locations
Assigning different page templates to different products
https://help.shopify.com/en/manual/online-store/themes/theme-structure/templates
Using metafields to feature unique content for your products
https://help.shopify.com/en/manual/custom-data/metafields/using-metafields
Gift card products & recipent fields