Re: Craigslist Posting Limit. 3 ads per 24 hours in the service section. You can actually post more in the for sale section but service is the best for offline services.You can renew as many as you have, there is no limit in the renews, it is more of a limit of how many in a certain time frame.ou can actually post more in the for sale section but service is the best for offline services. You can renew as many as you have, there is no limit in the renews, it is more of a limit of how many in a certain time frame.