Here's my current set

wss://nostr.wine

wss://eden.nostr.land

wss://puravida.nostr.land

wss://relay.orangepill.dev

wss://nostr.milou.lol

wss://bitcoiner.social

NostrGram has a nice tool under seeing to check to see which relays the notes have been seen at. You can use this to see where popular paid relays are for your follows.