On your own, everyone is correct about the difficulty and never seeing ROI, let alone a profit.  Take a look over at Solarwindming. They have some great incentives for everyone just getting started, to even well seasoned investors. 
Check it out here: https://bitcointalk.org/index.php?topic=297334.0

Maybe worth your while if you're just getting started and are interested in mining.

(side note, this wait to post thing is terrible)

Hi everyone,

This is my new account, my other was hacked last night "Shadizzle"  Please be advised.