What is the best thing to do in my situation?

Question

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For a long time I wanted to launch one direction of VK (entertainment).
I started to promote the community from scratch, without any cheats and the like, the first 50 subscribers were wound up. Now I am continuing it.
Bottom line: age - 4 months, number of subscribers ~ 800; most are active.
An example of statistics for a month:


Competitors have long received the lion's share of traffic from the search for communities on VK. I thought about this question.
I accidentally saw that a group of similar subjects was being sold for almost a penny - I bought it.
As a result, I began to lead two independent communities (9k subscribers, activity and coverage are minimal).

Once, I again went to the buy / sell site, again a public of a similar topic was sold for a penny, my hand trembled - I bought it, now I run 3 publics (About 15k subscribers, activity is noticeably higher than in a public with 9k subscribers).

I have a few questions:
1. And continue to lead several communities in parallel and get subscribers independently?
2. Choose one community and invite others to it. In which? What to be guided by? And how to do it correctly? And which public is better to choose - which I twist from scratch or still take from 15k? (growth of the smallest about 200 subscribers per month)

Answer 1

three communities are better than one.
develop all three independently.