the standard of life, but at the same time, like protect our environment. >> but gary baumgarten, foxively unheard of way to share money on upcoming trips. >> they say using airline gift cards can add up to big discounts on flights. costco currently sells $500 southwest airlines gift cards for 450, so when you book a flight with one of those cards, you essentially save $50. customers are limited to buying five southwest gift cards, and you can only use three at a time. experts say. you can also stack your savings. >> try to use a credit card that might get you extra bonus rewards or cash back. if you're a member of costco for this deal , specifically if you're an executive club member with them, that means an extra 2% back on your purchase. >> there were also gift card exchanges that allow you to turn in gift cards from other retailers for airline gift cards. united airlines has a mileage plus gift card exchange program for cards from 100 retailers, including starbucks, target, even, southwest airlines. >> a new report shows california, and specifically the bay area, is in much better