[eqvinox]

Honestly my problem is that all my designs turn into devboards since I always have a kind of "FOMO" of not breaking something out and then needing it later to bodge things... and then I'm left with a crowded board where I don't even use two thirds of things...

[MrGilbert]

I‘m sure you've already considered that, but what about iterating your design, e.g. redesigning the board if you need more outputs?

[sweetjuly]

Test pads are great for these anxious breakouts. I usually drop tons and tons of test pads on the back of my boards as it's a very dense and unobtrusive way to expose traces that you probably don't need.