I did, trust me. As well as spent a considerable amount of time Googling. But I'm failing to get it...hence he "ugh" in the title. I believe that guide is for desktop Electrum wallet. I'm trying to do it from the mobile version (which is significantly different).

And also, do I need a whole instructions manual just to purchase/send Lightning (considering I already got btc in an Electrum wallet)? I get the concept of Lightning and how it works so not trying to go into that. Just wanna buy this damn thing. Can't be more that 5 steps! 😕

First time using Lightning. Got some btc in my Electrum Android mobile wallet and I I need to send Lightning to make a purchase online.

In the checkout of the website I'm trying to purchase from I've selected Lightning, and then Electrum in the list of wallet options it gives me. Then it gave me an invoice sequence which I copied, headed over to Electrum mobile wallet, tapped receive, paste. But then a pop up message appears which reads  "detected valid Lightning invoice, but there are no channels". I'm guessing I have to create a channel? If so, how?

Appreciate any help!