I have my Premium Subscription since about 1 week ago. With it I have started to be quite active any day with both threading and articles. For the fun of it I have even written down also the upvotes from @leo-voter and I have almost been rewarded the $10 HBD invested in the Premium Subscription. So I expect to make at least x2 from the perks of Premium besides gaining greater exposure.
So, from my point of view, Premium Subscription is well worth it!