Nah 21 is the sweet spot lol and never experienced connectivity issues even with 48 relays only lagged the app on mobile.

My recommended paid relays.

wss://nostrelay.yeghro.site

wss://nostrsatva.net

wss://nostr.1sat.org

wss://at.nostrworks.com

wss://lightningrelay.com

wss://nostr.uselessshit.co

wss://nostr.wine