I'd recommend listening to the latest nostr:nprofile1qqspnlha0uuujmf07ahc0amz0tnez3dujuwc4v3jq5q9jwd94yfmctcpzpmhxue69uhkummnw3ezumt0d5hsz9thwden5te0wfjkccte9ehx7um5wghxyee0qywhwumn8ghj7mn0wd68ytnzd96xxmmfdejhytnnda3kjctv9uxrvvvv  pod, they went over the business model / fee rate in some depth.

https://stephanlivera.com/episode/528/