The problem is the world will be a very different places with 2 mil bitcoin and 400k litecoin.

Yes you can trade some litecoin for any place you like, like anything in downtown Manhattan, but instead you will be trading it for a farm that isn't too close to a major city.

And you will be retired... but you will be growing all your own food.

Get into the mindset of trading satoshis for things that you want/need