Dien,

Definitely good points...

But as Things continue to Change, including [within] the US etc....

It will be interesting to See what Happens with Future opportunities worth considering Getting into...

Including innovative business ideas and Brainstorming profit centers Too! ...

Hot off the Press! ... Just in case you miss the following related ideas...

Here's How You'll Make and Save Money in the Future...
http://io9.com/heres-how-youll-make-...ure-1442974293
http://www.kickstarter.com/projects/...oney-tv-series

All the best,
Phil