DTUBE HELP ME EARNING ATLEAST A DOLLOR

Firstly I was Excited really when I received Passkey to steemit but now after opening my steemit account I dont know even how to use this account to make some money. Now even after watching dtube tutorials also I have tried something but no use at all. I see lot of guys speaking videos gaining some good amount but I was not even able start some thing in my wallet. Where was Iam going Wrong. Steemers help me developing along with you.Now iam dreepresed and Disappointed totally.I found no way to deal with this failure.