Writers Needed [Urgent]

I am currently looking for writers who can write web content in good english to handle excess job my company had received lately. The work will be given in batch, about various topics, and must be submitted within the given amount of time. All articles must be original (will be checked using Copyscape). Each articles would have to be at least 500 words and written in good english. No mistakes, especially grammar and spelling mistakes, will be tolerated. The fee is $1 per 500 words. Payments will be made by the end of each week by PayPal only. I need writers who can start immediately. Please supply details on how much you can write per hours (in words) and topics you can write about. Samples will be highly appreciated.