Yeah and he can afford to invest in buying a high rank account only if he holds good knowledge of bitcoins and if he is sure that he can make quality posts then he should go for it.
Exactly, if a newbie after sometime feels he is now eligible for posting constructive posts then he can buy an account and join a campaign, because maybe someone can get more knowledge before reaching a good rank so in that case they can buy an account when they find themselves eligible for it.