WoS self-custody is a scam, they charge a lot on the channels they create for you.

Get a proper wallet, like nostr:nprofile1qqsrf5h4ya83jk8u6t9jgc76h6kalz3plp9vusjpm2ygqgalqhxgp9gpr4mhxue69uhkummnw3ezucnfw33k76twv4ezuum0vd5kzmp0qyt8wumn8ghj7un9d3shjtnddaehgu3wwp6kytcpr9mhxue69uhhyetvv9ujuumwdae8gtnnda3kjctv9uv45qez and open your own channels to avoid such fees.