Where it saves real time
Research and summarising. Reading twenty pages of an industry you've just been hired into, condensing client documentation, pulling themes out of a pile of customer interviews. This is the highest-value use for most freelancers and the least discussed.
First drafts of your own admin. Proposals, scoping documents, project updates, follow-up emails, invoice chasers. Anything the client will never see as a creative deliverable.
Transcription and note-taking. Meeting transcripts with action items extracted. Near-perfect, cheap, and it removes a recurring hour every week.
Structural feedback. Asking for holes in your own argument, edge cases in a spec, objections a client might raise to your proposal. It's a reliable second opinion at 11pm.
Code assistance. Boilerplate, tests, unfamiliar syntax, debugging. Genuine productivity gains for web development — with review, always.
Image and asset generation for internal use. Mockup placeholders, mood boards, concept exploration. Check client policy and licensing before anything ships.
Where it costs you
Client-facing deliverables produced without real work behind them. Clients can tell, increasingly quickly, and the reputational cost is not recoverable. This applies most sharply to the content writing path and freelance copywriting, where undifferentiated output is exactly what you were hired to avoid.
Anything requiring accuracy you can't verify. Statistics, citations, legal or medical claims, technical specifics. Confident and wrong is the failure mode.
Client data in tools you haven't checked. Some clients have contractual restrictions. Ask before pasting.
Strategy and judgement. The reason a specialist is worth four times a generalist is the judgement — see how to find high-paying freelance clients. Outsourcing that is outsourcing your rate.
Choosing tools
One good general assistant, one transcription tool, and whatever is native to your discipline. That's it for most people. Resist stacking six subscriptions for tasks you do twice a month — the general rule from freelance tools applies: an hour saved a month, or cancel it.
On disclosure and pricing
Be straightforward if a client asks how you work. And don't discount because a task got faster — you're paid for the outcome and the judgement, not the keystrokes. That's the whole argument for project pricing in how to price a project.