Perhaps some day in the future you will grow to employing full time VAs, I hear more talk about getting someone in the Philippines with a college degree for $250-$400 a month, they are typically loyal workes, though you can expect to do some training of lesser paid workers. Getting a full timer your satisfied reduces the heaahes dealing with a different freelancer on every job.
You have to decide, whether you want article writer, rewriter, or spinner. All are available. But best is getting articles written originaly and then you can think of way of either rewriting yourself or getting it done by somebody else.