When should you not use a content tool?
Before you've launched, when you already post consistently and enjoy it, when you need community management rather than publishing, and when your budget is genuinely zero. In each of those cases a tool adds cost without removing the thing that's actually blocking you.
Why not before launch?
Because the most effective pre-launch content is you talking about building the thing, and that costs nothing but the time you're already spending. Build-in-public posts work partly because they're unpolished. Paying for production before anyone can buy is the wrong order.
What if you already post regularly?
Then keep going. The main thing a tool removes is the blank page, and you've already solved that. You might get value from structure later, but you don't have the problem the tool is for, and buying a solution to a problem you don't have is how software budgets quietly balloon.
When is a person the right answer instead?
When the job includes replying to comments, running a community, spotting a cultural moment the same day, or holding relationships with creators. Those are judgement-and-presence tasks. No tool does them, and pretending otherwise is how people end up disappointed.
What about a zero budget?
Then post yourself, badly, on purpose, twice a week for three months. It genuinely works, it costs nothing, and you'll learn what your audience responds to. Come back to tooling when the constraint is your time rather than your money.
Why would we tell you this?
Because someone who buys access it can't help doesn't stay, and doesn't recommend us. Being clear about who this isn't for is cheaper for everyone than finding out three weeks in.