What It Is: What better way to feed your travel bug than to work as a remote travel agent or consultant? Whether part- or full-time, spend your working hours dreaming up itineraries, flight plans, hotels, and activities for clients looking to travel far and wide. Then, take advantage of your discounts (hey, perks of the job) and go wherever your heart desires, whenever your heart desires.
In the case of cost per mille/click, the publisher is not concerned about whether a visitor is a member of the audience that the advertiser tries to attract and is able to convert because at this point the publisher has already earned his commission. This leaves the greater, and, in case of cost per mille, the full risk and loss (if the visitor cannot be converted) to the advertiser.