When You have a lot of product that You sell at your store and it's hard to open page by page, You can set the number of products that You want to show at the product menu.
Just simply follow this step to do it
1. Go to Setup Menu - More Menu - Application
2. Go to Module Advanced Configuration - Input the Maximum Product Rendered/Maximum Variants Rendered - Click Save
3. You can Input up to 500 Products/Variants per Page