Thank you for the excellent and useful tips. I am a frequent traveler myself and I use several co-branded credit cards to pump up my Executive Club mileage. This has saved me lots of travel costs and also many many free upgrades (minus the tax and surcharge of course). Upvoted.
RE: Travel With Swami #2 - How I’m flying from Amsterdam to Mumbai for free (almost) — and saved up to 775 dollars