You're most welcome.

You are living your life to the fullest, that's what important.

I think that you can make the home sauna on your own but a bit dangerous for you.

Boil water, put it in a pail, cover the pail with blanket/towel, sit beside it and cover yourself with blankets too.
If you would like to try, please be extra careful. Hope it can help.

By the way, did you managed to open the link I sent? If not I'll write about it for you.