Well, I think @finguru has a good point in general. We don't want to see a post with 250 words and 50 of them are links to various posts. That doesn't look good.
However, you could easily include 5 or even 10 links to other posts, as long as they are very relevant, and if the post is of "decent length" so to speak.
"Keyword stuffing" or placing a bunch of links to a bunch of random posts doesn't look good and will do nothing good in terms of rankings either. Meaning, those attempts are pretty much useless and a waste of time.
If you look at my previous post:
https://leofinance.io/@hitmeasap/hive-backed-dollar-the-most-stable-stablecoin
You'll see that I have included a total of six links. The post is what we call "informational", but it is also what we call "a support post" to my "main article".
Some would say that it's too many links and others are likely to say that it's totally fine. In my own personal opinion, I think it's fine, as long as the links are very related to things I am talking about.
That being said, I wouldn't do this in all of my posts, at all times.
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