# Leverage items relationships to adapt prices to your business needs

Product prices can vary depending on their sale lifecycle. 

Products that reach their expiration date or are overrepresented in your stock will need to be sold faster. If promotion is a strategy to clear them out, it can be strengthened thanks to the association rules. 
Indeed, the association rules derived from **Market Basket Analysis**  could be used to tailor product promotions to your customer's purchasing patterns, increasing your revenue with cross-sales.