Hi cash,No disrespect meant, you sound like a cool guy/girl, but I think you should perhaps do a bit more research into MBB. Mainly to get a grasp of how intense the competition to get into these places is -you'll be up against people from the world's best investment banks/fortune 500 corporations/law firms/mba programs.To be frank, a couple of years teaching english and a sales job will not get you an interview at any of the global strategy houses, let alone MBB. The MSc may be a decent option, I'm not familiar with it but without strong work experience it'll be hard to a) get into the program itself b) get post-msc interviews.Sorry to come off so negative, I could be wrong, but I think you have your work cut out for you to even get close to MC.