How can you display associated products in the cart and on the product page? Within the manage products you can selected related products for a marketing up-sell. (related, up-sell, cross-sell) Can either be specific (in the product record) or rule-based (EE only)
- Can shopping cart products be shared among different websites?
- By default no, but you can make a modification to allow it see here: http://turnkeye.com/blog/share-magento-cart-between-multistores/