Another bad advice to newbies I'm seeing much too often is to crosspost to Twitter.
If you're going to do that, it will hurt your Fedi engagement, because it's very easy to notice it (e.g., non-clickable mentions, not answering to replies, etc.) and comes out as not being fully commited. The implication is that you're only here to sell us your crap and if you had to choose, you'd keep your Twitter account and leave, which is fine. As fine as it is to unfollow you, which is what I'm going to do right now.
@josemanuel There's a difference between crossposting TO Twitter (which we likely wouldn't notice) and crossposting FROM Twitter (which we likely would notice).
@josemanuel @trinsec iirc, some instances treat unattended crossposters as spam accounts.
@tagomago @josemanuel That's the same here. Crossposting is possible but frowned upon, and it's required that you be active and interact with comments. Same for 'bot' accounts.
@trinsec You're absolutely right. I was referring to the latter case.