I think in most Western countries, "low triple digits" is a good ballpark estimate for "advice" - i.e. a "holy shit this is like a month's worth of living cost" amount if you're a poor student, or completely negligible if you work in a highly paying job.

You might even get an initial consult for free. You may also be entitled to a free consultation via an insurance, including collective insurances or assistance programs offered through your employer or associations that you're a member of.