CashInStyle is an affiliate marketing platform, and it earns revenue through partnerships with advertisers, offering various tasks for users to complete in exchange for rewards. This business model is common among get-paid-to (GPT) sites like Freecash (and Swagbucks). It is the same model used by cashback platforms (like Topcashback). Essentially, they make money by acting as a middle-man that connects advertisers with potential customers.