I live right next to a micro center and remember when they started offering that deal... still so pissed at myself for not buying one. I ended up just buying a raspberry Pi for what I was doing, but seeing as where the prices are now, I messed that up a bit. Also my worst sin was not buying 64GB of DDR5 when I was doing my computer upgrades back in August last year.
I feel so incredibly lucky I chose to overdo it a bit on RAM when I upgraded last year... though I remember deliberating to go for 192GB (it's 96GB now) but motherboard support was somewhat more complicated and it felt like a waste of 300 euros...
Mac mini aren't that good for home made server, raspberry sure ain't powerful but there are in-between.
Not being able to upgrade the SSD or the ram is a big issue, not so much on a portable laptop.
I returned an M4 Mac mini, 64GB, unopened... because I thought it was excessive for my needs then. I swear it'll be one of the things flashing before my eyes when this all ends.