I do work from home in the past probably 5 years (working technical lead job for a big telco), I just decided one day there was no more fun in the office and told my boss I'll work from home since my team is spread around the country anyway, so no point to waste 30 min each way to drive to the office... The point is if you perform well and can be trusted, you can work from home... My next goal is to work from another…
That's the goal for me too: travel, work, save, and serve all at once.
Having said that I have a colleague who is very good at the travel/work thing, so it's not that it's impossible -- it's just that I wouldn't recommend going into remote work with that as a near term goal. Spend a couple of years finding out how you work remotely before experimenting with some travel.