One of my main strategies for earning free airline travel that I discuss in my eBook is leveraging a travel rewards card. For most people simply using a travel reward card for day-to-day purchases is enough to earn a free vacation each and every year. I've been using a few different cards for three years now, and I've earned a full return trip to Machu Picchu in Peru, a free return trip to Auckland, New Zealand, and enough for another trans-continental trip already accumulated. And all I had to do was sign-up and use it monthly. Almost all travel reward cards include health-insurance for short-term ...