Yes as already stated, you should not need to do anything once the content is posted on your blog, assuming it is your content to begin with of course. If you get content written for you ensure that you own the full copyright once payment has been made. This is usually the case anyway if a large supplier is used like elance etc, but worth checking out if you use an individual writer.
Dan Thorley is a contributor at WhatBizOpp, an online resource which informs people on how to earn extra money.