Be loyal to businesses and they'll treat you well.

If you don't want to marry yourself to one airline or hotel chain for infinity, Banas recommends at least getting a rewards credit card that lets you rack up points and miles no matter which company you choose to do business with."The key thing for business travel is frequent flyer programs," Banas said. "You want to be brand loyal so you can get that elite status and have access to more perks and upgrades."