What I can provide to you is something like this:

1.) You can provide a list of RSS feeds that you can add to a cpanel of some sort, which you can find these RSS feeds on your own through the Google RSS directory

2.) -- One of your choice, or both if needed --
The feeds would be converted to in a PHP page that could be called from an iframe or we could work out a javascript/PHP call that you could make on your site through an API that I would create

-- or --

If your site is a wordpress site, there is the XMLRPC that you can post to with a publisher account that would allow you to have an auto poster as the feeds come in

3.) Keyword replacer - I've seen some auto blog posters that will replace containing keywords by your choice with something else that would make your content look or appear as "unique" to a crawling spider. For example, if you wanted to replace all "home based business" with "home based opportunities," I could make this happen.

4.) Automated solution to crawl RSS feeds that you specify to check on a schedule (that you could possibly time on your own) to find new feeds to post on your site. RSS feeds generally update every X hours / days / minutes. Being up to date on this would be the ideal way to automate not having to go in and post by hand

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Compenstation for my time: I am not a big fan of writing code for someone, but if you want to pay the price, I'd be willing to do it. I foresee this being a huge loss of profit for me if I built this for you to run with on your own. Not to mention, I have to support it by making sure your host will give you no problems by running it.

I could save you $ by charging you a fix monthly $ (which I know you're afraid of) but I can assure you that I'm a business owner that would not offer such a service if I didn't feel I could support you or your requests. The best advantage point that I see (and why I prefer this) is on my own server I have a "controlled" environment that I know I can make it work.

I have some other ideas if you would like to pursue this that we could discuss privately that would satisfy your request. I am always open to suggestion. I'd also like to discuss the deciding objections you might have.

Message me if you want more detail.