SAVE $5: As of May 13, get a $50 Shell gift card at Best Buy for $45. That's a discount of 11%. $45 at Best Buy $50 Save $5 With soaring gas prices taking us on a constant roller coaster ride, of course we all want to save more money at the pump. While you can use discounts like those that Amazon Prime offer to shave some cash off of your purchases, saving on gift cards is another option you might want to consider. We found one that you'll want to jump on if you live near a Shell gas station. As of May 13, get a $50 Shell gift card at Best Buy for $45. That's $5 off and a discount of 11%. Mashable Trend Report This gift card can be used for gas at any of the over 14,000 Shell stations across the United States. You can use it at the pump or inside the Shell station, so no need to fret if you have to run in and take care of some errands first. And though it might seem like a small amount, $5 is $5. You never know when it might come in handy.…