cl posting 40 cars twice a day, per month, easy task

I need someone to post my cars twice a day (every day - 30 days): post all cars starting at 11am (u.s eastern time) post all cars again starting at 7pm (u.s central time) it takes about 30 seconds to post each car. it should not take more than one hour a day. Must be affluent in using craigslist and have good feedback. I'm offering $150US per month.