Which TH Level Most Favorable?

[martenfarten]

max 9 100% before going to th 10 at th9 easier to farm DE cause u can find th8, 9 , 10 and 11 in ur searches more than th10, im th9 almost maxed even walls upgrading heroes none stop all the time now

cool! thnx
what settings u use?
the 3M walls are a bit slow, and I do get DE but not like I can keep my heroes constantly upgrading