For example, I’m sure the average joe doesn’t know just how expensive calligraphy pens can be, or how deep the rabbit hole goes on video game speedruns.
I wanted, but saw that you start with a simple dobsonian, then upgrade to a newton on a equatorial mount, then a schmit-cassegrain, then a bigger mount (thousands of $), then motor drive, then goto, then 48MP CCD, then a Meade 12", then then then and you spent a fortune on it, and you can use it only on some cloudless nights :-/