these are the basics
NFTs are not sold on gumroad
only audio is sold on gumroad 
https://thesapienshop.com/collections/nfts-art-music?sort_by=created-descending
no
in the Sapien Medicine store, create an account.
find the product you’re interested in
put it in your cart
then enter all the data required by the system and you will be able to pay via paypal.
It’s very simple.
it is not required
audio is included in this product.
so you will get it immediately after purchase
the only addition - you will also need to make a transfer of the NFT itself to your crypto wallet, which you can create by following the instructions above
free of charge of course
we all once did not know how to walk
Captain’s masterpiece.
I just initiated the project
(I can do this indefinitely 
. it’s all a matter of opportunity and the Captain himself.)