Ninja's, being inherently wic, generally demand mention when their presence is detected. As a result I feel compelled to pass on this nearly useless piece of urban mythos How-To.

Have you ever wanted to be a ninja, but lacked the funding of a major political Daimyo and/or Shogunate master?

"Always use your new ninja powers for good." - WikiHow

Well worry no longer! WikiHow has your solution in this handy 12-step programme on "How to Train to Be a Ninja With a Low Budget".
While they do miss some of the highlights, like how to make an 'awesome' ninja cowl out of your T-shirt , there are handy words of wisdom like "Having some or more knowledge of a fighting style will help".

With advice like that, I'm sure you'll be a super secret ninja dude(ette) in no time.