Will anyone actually ROI on those before you earn 4$/day?
Sure, if its priced at $1000.
it is already 1900 USD
I guess 1000 it's just a matter of days... or hours!
http://www.dayunmining.comOMG!
Pretty sure that's a scam site, either way, I'm glad I sold mine for what I paid for it after mining with it for 11 days back in September, thing turned out to be a piece of junk.