Craigslist Autoposting Software/Script Needed

I need a script or software that will automate postings on craigslist. I post there alot and want to automate the process. I preffer US for posting and businees category. I want to post per day 5k ad without deleted. i can give 100 ad subject and body so it can rotate. every add must be viewed. and i will be provide 1k email a/c for posting. this software must have the capabality to do everything himself and proxy for us ip and for change ip. $40 is my buget. I want this argent.