outthere.whatitcosts.com — If you can do a cartwheel, a chin-up, and are really good at sneaking around, odds are, you can become a Ninja. Before trivializing the above admissions criteria, consider who it excludes: the overweight, the uncoordinated, the weak, and the loud. To become a Ninja, there are two categories of expenses- training and gear. While the gear is...