Real Estate Investor Content

I am looking for 500 articles that match my websites theme, Real Estate Investor Mortgage loans, These articles can be "how to invest articles", "Mortgage articles", and other very closely related articles. They need to be original, created in american english, must have the following keywords "Real Estate Investor" and "Investor Mortgage Loan" 3 times each, and must be 500 words in length. They are to consumer oriented and keep within the theme of [login to view URL], I would like a bid on the whole project (500 articles) and a per article basis. I will also retain copyright of articles created