How i start ETHERIUM MINIG

Hi
I start mining Etherium by genesis mining...from may
i have not more only have 5mh/s power by from 146$
I get almost 30$ back in this 2 months...i think is this contine
I have 2 years contrack i will get almost 500$ of Etherium
I hope so
see how i buy genesis mining contrac