Investing In Google Adwords

Is it worth investing in Google Adwords? I have tried but I didn't make a single cent.

I will update more on this topic soon.


I must not fear.
Fear is the mind-killer.
Fear is the little-death that brings total obliteration.
I will face my fear.
I will permit it to pass over me and through me.

~Bene Gesserit Litany Against Fear