I get that.

I think you can get the same amount of storage for the same price to use for a seperate VPS from them too.

Hetzner has managed Nextcloud hosting with add-ons for ~5€/month.

Check out Ripple

I’m rooting for you! Also because i wanna do this too!

Just in case this doesn’t work out for you, but you still want to tinker; your car puts out 12v from the cigarette lighter, and that’s a common voltage for computer-style fans. You could build a cooling rig for your phone? That’s definetly not as cool a project, but if it’s the øjne that ends up happening, it would still be a fun story to tell.