If all new users will start by reading the guides, all this trouble will not exist.
- Important links about nodes and LN
- Getting started with Umbrel
- Check also all other posts in the “guides” section of this forum
You need to understand first how LN works, how you can do internal swaps LN -> onchain using Thunderhub or RTL app from Umbrel, how you manage your channels, how you fund/create channels and close them, balance of a channel is NOT the same as size of the channel.