Say the specific thing, not the safe version
A vague, broadly agreeable post gives readers nothing to respond to. A specific opinion or observation, even a small one, invites a real reaction. That matters more on Bluesky than it might elsewhere, since reply depth carries real weight in the ranking.
End with something worth replying to
A direct, specific question, or a claim someone might genuinely want to push back on, tends to earn more real engagement than a post that just states something and stops. The goal is a post that reads like the start of a conversation, not the end of one.
Respect the character limit as a feature, not a constraint
Since a post has a real length limit, treat it as a forcing function to say one thing clearly rather than several things vaguely. If an idea genuinely needs more room, a short chain of posts works better than trying to compress it past the point of being clear.