Yes, if you're running your own node then you'll have to open and manage channels like that. Bht if you just want to zap on nostr then a custodial lightning wallet is easiest. nostr:npub1h2qfjpnxau9k7ja9qkf50043xfpfy8j5v60xsqryef64y44puwnq28w8ch is very easy to set up, has NWC that syncs with basically any client, and has great liquidity.
Simple setup guide for it here: