Starting tomorrow, Discover card users can get 5% back on gas and hotel purchases through September. The maximum you can get is $400 over those three months but at $4 a gallon, that equates to 8000 gallons.

If you have employees who are on the road for your company, it might be worth it to get cards for them to use to purchase gas.

Granted, they may have other ideas and want to use their own card to pocket the savings. But, that is where your employee policies come into play.

What? It doesn’t cover things like that? Why not? No, wait, don’t answer that.

Back to the discounts.

Many cards offer these and as long as you are not using them to rack up debt, they can be an excellent way to stretch your operational dollar in your investing business.