yes you need loads of traffic which isn't really the problem, its just managing the ads thats the real issue and getting more networks on board to compete for your impressions which not many bloggers do
I checked out the intergration now. I'm not really sure this offsite redirect is a great user experience this should all be done via an API call to make it seamless for the user.
I noticed that too. But like you know, this project will continue to get better as they work on making certain features better and adding new ones. The team surely listens to feedback from users. The operations manager told me they are implementing some upgrades within now and 2 months. Maybe I can ask him whether they could implement your suggestion.