If you want a cheaper option to start, you can rent space on my nostr:npub1fvmadl0mch39c3hlr9jaewh7uwyul2mlf2hsmkafhgcs3dra6dzqg6szfu relay for 2100 Sats / month here: https://nortis.nostr1.com/

Thats why I think pubky is better... 🤷‍♀️✨️