How it typically works is the company requests that you buy the product and tells you they will refund your purchase if you leave a 5 star review. On Amazons si

How it typically works is the company requests that you buy the product and tells you they will refund your purchase if you leave a 5 star review. On Amazons side it looks like these people really did buy the product. Fake reviewers get paid in free stuff and the company just uses their marketing budget to give stuff away.