Up-sell and Cross-sell

# More Expensive Alternatives
**E-commerce Goal:** Increase the average order value
**Example usage:** Offer relevant alternative products to a currently viewed product by a customer. These products should have similar properties, be more expensive and optionally can be personalized based on customer’s history and preferences.
**Ideal Placements:** Product detail page
**Requirements:** product catalog containing as many features as possible, such as descriptions, images, tags, brands, categories, colors, etc.
**Setup:** In this use-case we suggest to use the [Textual similarity model](🔗﻿) or [More like this model](🔗﻿), as we are doing in [Alternative products](🔗﻿) use-case. On top of this, we suggest using post-filtering based on price.
# Complementary Products
**E-commerce Goal:** Increase the average order value
**Example Usage:** Offer complementary products to a customer currently viewing a given product. **Example:** Accessories like a charger to a smartphone.
**Ideal Placements:** Cart (basket) page, Product detail page
**Requirements:** Product catalog, Event tracking for purchases, at least 6 months of co-purchases (purchases with more items bought together)
**Setup:** We suggest to use the [Customers who bought this item also bought template](🔗﻿) since the algorithm searches for products frequently bought together with the currently viewed item of the customer.
# Complementary Products After Order
**E-commerce Goal:** Increase the purchasing frequency
**Example usage:** Offer complementary products to a customer recently finished order on the website by recommending complementary products in a campaign.
**Example:** Accessories like a charger to a smartphone.
**Ideal Placements:** Email
**Requirements:** Product catalog, Event tracking for purchases, at least 6 months of co-purchases (purchases with more items bought together)
**Setup:** We suggest to use the  [Customers who bought this item also bought template](🔗﻿) template since the algorithm searches for products frequently bought together with the currently viewed item of the customer.