bumi on Nostr: You don't have to pay for each function/limit. But in lightning you have those ...

You don't have to pay for each function/limit. But in lightning you have those "channel" and those channels have a certain capacity of how much you can receive/send. So you need to make sure you have enough capacity.

If you have onchain bitcoin (e.g. on your ledger) you can go to the "node" page and deposit into your savings balance.
From there you then can open a channel (Topup your sending balance)
Just make sure that you use a big enough channel. Small channels economically don't make sense.

let us know if you have more questions.