Travel Hacking in the UK - Can You Really Fly For Free?

Ever seen those articles that claim that with a bit of travel hacking you can fly for free around the world? I see them a lot, particular from US residents and the sceptic in me wonders whether it really is true that you can get free flights, and, more importantly for me as a UK passport holder, is travel hacking in the UK even remotely possible? Last year, I conducted an experiment – I signed up for a UK air miles credit card, started collecting points and tried to see if I really could…