Long-term travel doesn't require a massive bundle of cash; it requires only that we walk through the world in a more deliberate way.
The value of your travels does not hinge on how many stamps you have in your passport when you get home -- and the slow nuanced experience of a single country is always better than the hurried, superficial experience of forty countries.
In reality long-term travel has nothing to do with demographics, age, ideology, income, and everything to do with personal outlook.