From Carmax - Buying

Many locations offer a 24-hour take-home test drive, allowing you to ensure the car fits your lifestyle.

You can browse, hold, or ship cars from other CarMax locations to your local store for a fee. Steps to Purchasing buying from carmax

If you change your mind, you can return the car within 10 days for a full refund. Many locations offer a 24-hour take-home test drive,

The price you see online or on the window is the price you pay, eliminating the stress of negotiation. eliminating the stress of negotiation.