What it costs — and what it hangs on
Everyone talks about speed. Almost nobody talks about the invoice and the dependency, and those decide whether this still holds in three years.
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The price is known today, not tomorrow
I pay around 200 euros a month for the subscription I work with. For me that pays off easily. But I have no contract saying it will still do so next year: prices rise, plans get restructured, quotas get cut. Anyone basing their costing on it is costing on somebody else's ground.
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The model under you gets swapped
What works reliably today can behave differently after a model change. That is why my knowledge lives in a system rather than in a chat history — a system survives the swap, a conversation does not. It is also the answer to "which AI should I use": the less that answer matters, the better off you are.
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And it hangs on your machine
Tools, credentials and configuration sit locally. If the disk dies, it is all gone for a while. So: backups — and not only of the website, but of what you built yourself. Precisely the part nobody thinks of, because it looks like tooling rather than work.
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Without guardrails an AI takes a site apart
Write access plus one misread instruction is a deleted post type. Test system, its own user, few permissions, a backup first. That is not distrust — it is the same reflex as before a big plugin update.