Not sure if my guides are the most complete. Are just my personal experience and testing during several years. You should look into Rene Pickhardt work too. In my guides I linked his amazing work too.

I think that there are many ways to run routing node and each user could focus on specific goals. We will see in the future like 3-4 main important liquidity rings as I explained here: #486306

Now... depends on which "ring" you want to be.