You can be a Substack millionaire https://www.theverge.com/creators/679036/substack-ceo-50-people-1-million-dollars

The Farcaster formerly known as Kchamp. Books, beats, bodybuilding, bright ideas and beautiful things.

katherinechampagne.com

If I were making more than 1 million through Substack I would probably move from Substack.

VC since seven years who likes to write stuff at https://caz.pub

Email deliverability is really hard and you get some network effects with their app. I am usually a roll your own type of girl but here I’m genuinely not so sure…..

Probably set up my own site (or hire someone to do it if I didn't know how) and use a cheaper service for payments and email delivery. Since their cut grows with revenue I guess it would make sense to move at some point as you grow.