It depends on your country — and a whole group of countries skips legalisation entirely.
The power of attorney follows the legalisation route of the country where it is signed. Members of the Hague Apostille Convention notarise and apostille; parties to the Minsk and Kishinev conventions — most CIS states — need only a notarised original, in Russian, with no apostille and no consular step; all other countries legalise through an Uzbek consulate. Translation into Russian or Uzbek completes the document where it is not already in one.
Answer a few questions and the full cost — one-off and monthly — is on the screen in minutes.
Part of the answer bank — 52 questions, each cited to the article it rests on.