Not sure if this qualifies as an intro or not, but here's a start:

I've downloaded and been running a full node for a couple months.  Since this involved just downloading and running an exe I'm not quite sure where to go from here.  Some questions I have:

1 - Since I had a windows 10 machine, I just downloaded that exe and ran it.  Is there a compelling reason to wipe the machine, install linux and run that instead?  Note: this machine is dedicated to just being a node, so I don't do much else with it other than browse bitcoin topics. (pc is an older core I7 w/12gb ram and 1.8tb ssd for the bitcoin data

2 - Is there a place where I might find an experienced person to provide some guidance and education regarding running a node?

3 - I've read there are benfits to using my own node with my wallet.  I'm not sure how to set that up, or which wallet I should use.  I currently use wasabi, but all sats are on a coldcard.  I'll read the wallet thread here soon and see if that sheds light.  But sometimes the back and forth with a guru really speeds up the learning process.

4 - Is there a consensus here are the best way to setup and maintain multisig?

Thanks.