They're a great learning tool, but once you have your bearings, it's a good idea to upgrade from the pi. I had an LN node on a pi for well over a year before migrating it to a 2012 MacBook, and now it *screams* in comparison.

Also, less power issues. The pi4 is *so* finicky with external drives.

nemo

Like I said, you can do better than a raspberry pi in terms of performance/dollar. But the claim that Raspberry Pi's are too slow to be full nodes simply isn't true. They'll stay in sync just fine given time to catch up. That's sufficient to be useful.