My Alexa rank becomes worse!

I don't understand how that blog alexa rank works, Lately my new blog had a rank of 9 million plus and then after a few days it's backed to 12 million, what the heck is this? The truth is I have never updated the blog in a few days because I also took the holidays (lol) and unfortunately my alexa rank goes down again, it's pretty disappointing. How I wish I could able to get an SSN so I can start earning at EHow, this is pretty cool network but it needs SSN so you can join to their earning section and can be compensated. I have started writing articles to them but my points can't be credited because I did not sign up the compensation page. I won't earn till I can't able to sign up their compensation. Always maintaining and updating blog is very tiresome and complicated and it's hard to maintain a rank like alexa rank - it changes quickly. I almost tired on Blogging, I hope I could get a different routine such as writing articles in Ehow and earn a lifetime money. Blogging also becomes slower nowadays - perhaps due to the economic crisis. I hope everything will back on track...