Hello! Am a very new blogger,adsense hasn't approved me, I came across this guys propeller ads,and the claim Pop under ads is the best,I can't say is it advisable?? And aside from that,my traffic are preety low,is the anything am not doing?

If you have good traffic pop under network are the best for your pocket.

and if you don't

radiokilla:
If you have good traffic pop under network are the best for your pocket.

Carliswagmalip:
and if you don't

no money,

Popunders are only good for high traffic sites. The best way to monetize your blog is through AdSense. But you might want to check out this list of the best popunder ad networks if you are looking for them. http://www.thesearcherslist.com/2015/10/top-pop-under-ad-networks.html

ya i am sure that you will found your solution here all best list of popunder ads
https://www.crazyasianhacker.com/2018/10/5-best-popunder-ad-networks-high-cpm.html

Carliswagmalip:
Hello! Am a very new blogger,adsense hasn't approved me, I came across this guys propeller ads,and the claim Pop under ads is the best,I can't say is it advisable?? And aside from that,my traffic are preety low,is the anything am not doing?

Be cautious with such ads like pop up or pop under, as they will ultimately affect your site ranking because Google see them as obstructive and with the mobile-first index rolling out, will negatively affect your traffic!