hi maam,
well we are a team of 3 graduates experienced in article, blog writing and copywriting for the last one and a half year..we have written on different niches, so probably your niche wont be a problem at all. although our rate is $5/1000 words, your proposed rate(i.e, $4/1000 words) is absolutely considerable for us.. since 3 of us work together, 5 articles of 500 words per day is absolutely fine. we can deliver you even more, if required. please check your private message box for our samples and other necessary details!waiting positively for your response!
thank you,freedomwritersam!