Everyone here has some buying rules in meta bbs 

1: I try to own my posts until there price is under 2.44 but if i buy it at lower price and receive adserver from post and than some buy it from me than i'll not took my post back and let the buyer enjoy the rest revenue 

2: Some members dont buy their own posts and prefer to buy posts from other members 

3: Some try to buy their post even at high prices 

Tell me about your category