That good question ! I think if someone wants to use PPC he must have other income cause these things are not good for a long time, by the way, which company has the best PPC offer for Adult traffic?
Media marketing - you can also promote your own product or sale things :) For example - I have an online site, so I can promote it with google adwords and sale my traffic to admaven with Native push product
You have the instruction on Bing, just go to the help section. But after you do the import I would recommend going over each campaign and check the settings and everything because some settings are different between the 2 platforms.