R wrote:

Remove doors.
Take to door stripping company.
Part with a tenner or so.
Collect doors a few days later
Sand lightly.
Varnish
Enjoy the

.... huge number of comments from people saying "stripped doors, that's
so 80s."

Umm and having had them dipped and stripped put up with the fact that
they will shrink, crack, and have a much shorter life than if you done
them properly.