30 Articles need writing

I'm looking for the following: Perfect english articles with original content **NOT DUPLICATED**, If they are I will not pay. If you provide quality then this will be a long term relationship.........My Rates are $3 per 500 word article......Also want some proof of articles please......If the articls are good I will give you a $50 bonus from my side...Instructions will be provided on the topics upon project acceptance....