Nostr relays are not like Pokemon, you don't need to catch them all. However, my dude uxto runs a nice relay for anyone that's looking for a new home for their notes.
Discussion
Is there a good intro guide for the whole relay thing somewhere, nostr:npub18ams6ewn5aj2n3wt2qawzglx9mr4nzksxhvrdc4gzrecw7n5tvjqctp424?