Buysellads is a advertising marketing site,I've shared a few points on it on a article before,but this one is going to be very helpful.As Buysellads approval is bit harder stage to complete,however not for all.
Buysellads do approve those sites,having 50k + visitors per month and have a huge social circle around different social networks.If you get approved,simply follow these points and you can earn best out of your blog.
|taken from http://socialmediaclub.org|
Place it correctly
|taken from dreamstime.com|
Offer different sizes
Price them correctly
|taken from http://vwmarketingsolutions.ca|
Do not change the decision
You have to also make sure that prices are priced according to banner size,if you have a big banner then mostly they get more impression than others while small banners do not get that much.