Need help for auto posting (Want to setup a small privat blog network)

I have 50 high pr sites. I want to sale backlinks. so need to collect text/image, spin, post to all domain with anchor text/kw and need to collect the urls, so that i can send report to the buyer. i dont know if there is any software to do that. I am not expert and i dont know if there is any software, i am seeking your suggestion. And it will be very helpful for me if you suggest me with that. Thank you.

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