Hi, I want to buy high quality articles on equity, currency, derivative investment ideas, thoughts; interesting programming skills; interesting math observation; statistical finding. All posts will be on a blog http://www.mathfinance.cn. The article must be informative, useful and hopefully interesting. I will pay $10 ~ 15 per blogpost depending on the quality (we agree on the price before posting). Note: I will tell at the end of blogpost this article is a guest post, but no link is given to you since this is a paid service. I am also looking for someone to get blogroll links from quality websites, who helps to contact with their webmasters to ask if they accept my links. I will pay $5 per website for this job. Thanks, please only serious people PM me. Please include sample articles with PM introducing you.