Honestly, this is a question for nostr:nprofile1qqsf5wdlsd7gdrtpakxvu6jv0g8tjm67t0xqs2kk4lw4f9ktv99z87cpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhszrnhwden5te0dehhxtnvdakz7qg7waehxw309ahx7um5wgkhqatz9emk2mrvdaexgetj9ehx2ap0nnex0x. Their whole business is running profitable nodes.