Now we're at 1 sat/vB again, it's time to learn batch open channels. For LND you can do this f.e. with bos tools. Not sure what to use for CLN.

It depends on the number of inputs, but it's unfairly cheap.

I've done a 7 channel open for 480 sats, and an 8 channel open for 550 sats.

https://github.com/alexbosworth/balanceofsatoshis