In phoenix you need enough liquidity in your channel, to receive the amount of sats and later to pay onchain, they use splicing so if you are going to pay onchain the size of your channel will decrease by the amount of sats you are trying to pay. Its not the most recomendable way to do so, just for payment that can fit in your channel liquidity and that will not let your channel empty. Use one of the other tools I mentioned. Boltz, sideshift are super easy and made for this, coinos.io is also super easy, you just send sats to a newly created wallet, and then pay to a btc address. The other options I mentioned, are p2p exchanges, they can be less intuitive to use for this case, but they will maximize your privacy  

 Okay, let me try that.

Find it so weird that there are all of these one-way wallets. They should come with a warning label, or something. 

 What warning? I don't understand 🙏🏼 

 That you can put money in, but you can't take it back out again. 

 I think this is a miss conception there is not such a one way wallet, there is bitcoin, and lightning, some wallets have interoperability between those and others dont 

 Alby lets you swap from Bitcoin to LN, but not back again.
That's clearly one-way. There's an on-ramp, but no off-ramp. 

 I see 

 I should learn what you lot are on about. I'm probably doing this all wrong lol 

 I had to make an LN invoice from Phoenix, with a specific amount. That worked. I'll probably move the money over Boltz, once I collect it all.

Thanks for your help, guys! 😊  

 Awesome 👌👌