One of the best special offers in e-shops is making bundles. If you do it well, the bundles may be sold better than single products. Thanks to that the value of your sales basket will increase. Have you ever wondered why in most e-shops an average amount of products, which are bought during one transaction, equals about 1,2 piece? And Amazon or Walmart, which widely use products sets recommendations, have an average 1,5 and 2,3 pieces? Or why McDonald’s clients buy bundle meals so willingly? You can find the answers to these questions and also some tips here.