Setting up a virtual card with Brex can be a great way to manage your business expenses. It allows you to easily track and monitor spending, set spending limits, and receive real-time notifications when a card is used. Additionally, virtual cards are more secure than physical cards, as they are not tied to a physical card number and can be easily canceled if lost or stolen. With Brex, you can also take advantage of their rewards program, which offers cash back on certain purchases.