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Got FIRE on TRADFI and then entered the Bitcoin rabbit hole in 2023
and
constant opening and closing of channels to chase profit.

Your mind definitely is not ready for Bitcoin and especially for managing a LN node.
In this period of the beginning of LN, bitcoiners goal is NOT to pursue "profit" or "yield" from running a LN node.

Yes, there are costs and each operator must seek how to keep a balance between costs and earned fees from routing.

The main goal should not be "chase profit" but maintain a sane and reliable LN node with good liquidity.

Also let's mention an important aspect: THERE ARE 2 TYPES OF LN NODES - public and private. Only public ones can route payments.

I wrote several guides about these aspects here, please read them all:
https://darth-coin.github.io/nodes/nodes-en.html