[nsmartt]

>Probably more difficult than going to college.

>You do it alone.

I actually consider both of these to be pros rather than cons.

I also don't really sweat the lack of credentials, but I can't argue that it's a pro with a straight face. It could certainly be used to weed out certain types of companies who place too much emphasis on a degree.

[readme]

The credential is good for things other than getting a job. It can help you emigrate to another country, as well as enroll in a master's or phd program.