Want to guarantee the lowest possible airfare on your next trip? Discover the ultimate travel-hacking strategy: combining Google Flights price tracking with Capital One’s automatic 10-day Price Drop Protection. Step-by-step instructions on how to track, book, and score automatic travel credits when prices dip.It All Begins Here

If you want to see the world without breaking the bank, your best tool is a well-curated stash of credit cards. When used correctly, these cards act as a passport to heavily discounted flights and free hotel nights. Just keep the number one rule of the game in mind: always pay the balance off completely every month so you're playing the banks, not the other way around.