I think cheapest hobby will be free weight workout. It also save you from extra medical bill. Haha.

If u r working in big MNC company, plus if u r an alpha type, u will feel let down cuz the job scope is very specific, n u barely have power in charge of many things, just work like a kuli, every week repeat the same things, it will kill your passion. Unless you success to climb up to management level, but it takes a very long time + fight with your colleagues just to get to the top 1 spot. Further more if you are the alim/good guy type, it is even harder to climb to top cuz many ppl will play backstab just to go higher.

I wish you have found your dream job. Every1 wish to have a dream job, but only few that found it.