The sovereign has official ownership of the estate but is not involved with its management or administration; nor does the sovereign have personal control of its affairs
The revenues from these hereditary possessions have been placed by the monarch at the disposition of His Majesty’s Government in exchange for relief from the responsibility to fund the Civil Government.[9] These revenues proceed directly to His Majesty’s Treasury,
The Crown Estate is formally accountable to the Parliament of the United Kingdom,[12] where it is legally mandated to provide an annual report for the sovereign, a copy of which is forwarded to the House of Commons
Read the full Wikipedia article.
You might want to read the Guardian on “the cost of the crown” about royal finances:
https://www.theguardian.com/uk-news/series/cost-of-the-crown