Hi guys i saw some videos on YouTube which was about mining.First i saw a video in which a guy was mining with his i7 PC plus 1080 GTX Graphic card plus 4gb ram and he said he can make 50$ per month
and then i saw an other video that was relate to Ant miner s7. A guy said he can earn something 0.3btc per month with that but Antminer s7 cost highly like 1000$ plus. I am interested with this machine

i don't have 1000$ but i can earn it with my plan

ok i am thinking about my plan which is

i am going to bought a NEW pc i7 and a 1080 graphic card and start mining with it.After reaching 1000$ from that mining. i will bought Antminer s7 What you think ?. I need your suggest before doing any thing

Thank you