Starting an ad network is not an easy thing like starting a simple website. For that the webmaster need some cash to spend and invest. The advertisers as the profit of an ad network if an ad network never able to generate advertisers for it then the site will be a loss. First of all you have to register a domain name for the ad network in the beginning. Before finding the publishers the webmaster need to concentrate on making advertisers with the help of other ad networks especially CPC typed. Ofcourse publishers are necessary for the ad network but the profit come from advertisers. Member accessing page is necessary for the ad network with both advertising and publisher formats are connected in the same account. Advertise the ad network in your own ad network is also a best way to get advertisers. Always the payments are a hurting thing for the ad network make it in the meaning of a since if you don't find much advertisers then makes payouts once in a month mode with some good rate about 25$ to 50$. Best thing to make advertisers is use PTP ad networks for advertising for eg: PTP ad network which give a promoting link to promote in which they pay an average of 2.50$ for 1000 visitors so create an account in this site and advertise your promoting link in your ad network with a CPM rate of 1$ which means the profit of 1.50$ without harming anyone.
It is not easy to make some quick cash in the beginning with the ad network so make the way in step by step. Loss are the beginning of profit so if you failed in the beginning don't worry at all just concentrate on making a way to make profits thats all the key. The way of getting profits with ad network is based on the talent and skills of the webmaster. So make things wisely for the profit. All the best.