How to Buy Inbound Liquid

Inbound liquidity has a price and it's a market in the sense that your goal is to go acquire inbound liquidity for some price. And then hopefully sell it by routing, because when you route, you're also like selling off that inbound liquidity. You want to like sell it for more than you paid. And so it's really hard to do if you're just kind of a small node,. It's going to cost you like 3000 ppm. Can we, I've never heard ppm before. Can you just briefly? Yeah.