Need to Market my Amazon Kindle Ebook Business and How Much Should I Charge

Ok. Let me tell you a little about myself.
I started IM about 2 years ago. I failed at everything I did until Jan. or Feb. of 2009. That is when I got into Amazon Kindle ebooks and have done well with it. I sell thousands and thousands of ebooks every month on Amazon. All of my ebooks are in the public domain. I have a couple of people that help me and I make enough to pay them and meet all of my monthly expenses. It also pays for my full time college education. My wife is a stay at home Mom and we have 4 children. In fact this is our only income and has been since last July.

I tried to get into CPA to diversify. I put in a couple of hours a week the last couple of months and quite a bit of time the first of this summer but I am having poor results. I put it on the back burner a couple of days ago, and have been brainstorming again ever since.

I just had an idea but I don't know how to market it.
I would like to sell my formatted public domain ebooks to others so that they can resale them on Amazon. Now I know that since they are in the public domain anyone can find the books, format them, and sell them themselves. However, I know the process inside and out and can do it very quickly. It also takes some time to learn. After you have formatted hundreds of books it is a very grueling process. I have also had several people ask me to do small jobs for them, so I know that it could work.

So how can I market this?
It is obvious to me that I am a little marketing challenged. My marketing campaigns have not done well (adsense, CPA, etc.). The reason that my Amazon books sell is because of Amazon's marketing not mine.

It seems like all the WSO's are ebooks and a few software programs. Not services. Would this even be allowed?

I know that there is a classified section on the Warrior Forum, but I have never checked it out. Would that be the way to go? If yes what are the charges?

What other ways could I market this?

How much should I charge?
After a quick vision of some nice looking dollar signs, I quickly realized that this has to be a win, win scenario. I would rather build several long term relationships with a few people, instead of making a couple of good sales off of them.

I was thinking that I could offer 1 formatted ebook for $5 or 3 ebooks for $10. I could also provide additional discounts for larger orders.

I could even offer a service to run someone's enter account. this would include formatting the ebook, creating a book cover and everything else required to make the book go live. Then my client could always log in and check his reports, and then collect the monthly direct deposits.

What do you think?
Do you think that I have a solid idea? Am I forgetting anything? I would love to hear what you guys think.