If you want customers to checkout with more items, try creating product bundles that cost less than if the same items were purchased individually. By bundling products, you're effectively increasing the perceived transaction value.
You can create bundles in minutes with Dropified. The entire bundle will be ordered in one step even if the products are from different suppliers as long as they are AliExpress or eBay suppliers.
Create unique bundles that your customers will want and watch your profits increase without any more effort.
If you are on Import or Private Label on Demand plan, you can purchase this feature from the Addon Store.
Watch this and see how you can setup several different products together in a bundle to sell over individual product using Dropified:
This next video will show you how to bundle multiple of the same product: