Sainsbury’s shoppers get one Nectar point for every £1 spent in stores and online, or for every litre of fuel purchased. You ...

Loyalty programs can change your purchasing behavior and lead you to pay higher prices or buy unnecessary items just to meet a threshold. In the McDonald's example, the average customer visits 10.5 ...

Companies like Instacart and Delta and using AI to set prices. What you pay may hinge on how much the AI knows about you.

Some Chase cards are currently not available on CNBC Select but you can check out our marketplace to compare offers from other issuers including American Express and Citi. If you're looking for a ...