Since shortly before Christmas for my part? In no particular order.

8GB Geforce GTX 1070 Ti. After taxes and shipping came out to $420somethin'
1TB Western Digital SSD - $130
Razer Deathadder Elite - $45
Nintendo 3DS XL - $90

Got some of those mini "arcades".

My Arcade: Bad Dudes - $25
Arcade Classics: Joust, Q*Bert, Pac-Man (static LCD monochrome version) - $9, $9 and $15 respectively
The keychain version of Mattel Classic Baseball - $8
Cracker Barrel exclusive "Tiny Arcade" Ms. Pac-Man/Galaga... and it's got Dig Dug hidden in there as well via a code. - $20
10" My Arcade Data East Arcade Classics - $80

Had a boatload of Google Play credit from surveys, so I got Final Fantasy 9 on there. I think that was $15

Assassin's Creed Odyssey, Shadow of the Tomb Raider and Ravenfield for PC during Steam's winter sale. - $70 total I think

Assassin's Creed Origins for PS4 - $20

Silver Dual Shock 2 because you can never have too many of these laying around if you're a PS2 junkie like I am. - $3