Yes, and you also have to manage a team (even if that is yourself) to monetize your ad traffic. There is no way to scale running your own internal ad network u

Yes, and you also have to manage a team (even if that is yourself) to monetize your ad traffic. There is no way to scale running your own internal ad network unless you have scores of folks to manage the marketing of your property, the managemnet of your ads, contracts, receipt of payment etc.