When I was in Nicaragua in 2011, I had a friend who was renting a room with her boyfriend in Managua. They each paid $25 per month for rent. The bus ride to their job cost 10 American cents. Point being: There are places in the world where your dollar can go a very long way.
This is important. If you’re a traveler, it correlates directly to how much traveling you will actually be doing. I’ve also spent time in places like Australia and New Zealand, where transportation costs alone can drain you. Petrol is expensive. Car rentals. Sure, you can hitchhike, but the truth is you’re just not going to travel as much because everything is so expensive.