You can configure your X-Cart 5 store to show a section recommending related products (alternatives or additional items) to your customers - the so-called "Related products" block. This feature is available through the add-on Related Products by the X-Cart team. To use the feature, make sure this add-on is installed and enabled.
By using the related products feature, you can:
encourage the customer viewing a product to spend more money by buying a more expensive alternative;
remind the customer about other popular things in which they may be interested (extensions, accessories, warranties, etc.) or recommend related products from different categories;
display recommended items in the "Add to Cart" popup (This requires the add-on "Add to Cart Popup").
Here is an example of a "Related products" block displayed at the bottom of the product page for one of the products in our demo store:
And here is an example of how you can use related products as a source for product recommendations for the Add to Cart popup. Note the items in the "Customers who bought this also bought" section:
(More info on how to enable this feature can be found in the section Add to Cart Popup Add-on)
For more info on the management of related products, see the following sections: