Blog Writer for long term Position

I am going to run a Blogsite from the end of the next month or starting from the first week of April. I will hire two blog writers and an assistant(who can assist to me choose topics for writers. His/her job will be to provide topics to writers. I'll give him/her 25 USD for 100 topics. Firstly his/her main job will be to suggest me about blog site. I've no idea that which blog can generate traffics. So if you are applying for an assistant post then firstly share with me your ideas in the cover letter about blog site which can generate more traffic. If I like your idea then I'll give you 30 USD for this.) And for writers, I'll pay 3USD for every article. You will need to post high quality 2 or 3 articles daily. Tell me your writing experience firstly. Best regards!