My ADHD got the best of me during the pandemic. I ended up buying 3... New nintendo 3DSXLs. I imported one from Japan and converted it to US rom. I love these for travel. The 3D effect is so cool, and I like how you can turn it off. The battery life is fantastic. Now like all hobbies, when something gets scarce and I lust and hoard the object, I need to liquidate since you can't play 3 consoles at the same time.
If you can do something to prevent the battery from going bad (or find a source for replacement batteries in the future), I'd just hold onto them tbh.
I bought a (deep breath) New Nintendo 2DS XL a while ago; it's the last iteration of the DS line of games, plays all DS, DSi and 3DS games (and there were only a handful of games released specifically for the "new" DS) so that's ~15 years of gaming history it supports. I try to pick up DS games where I find them, although finding good deals on them is already difficult - some titles like Bravely Default or whatnot still go for 60 euros around here.
There's a LOT of shovelware for the DS as well though, I'm skipping those.
