They're cheap (thanks to corporate upgrade cycles and the sheer number of "obsolete" models that are out there on eBay et al.), quiet, reliable, low power consumption, and generally pretty capable for the money.
> running cloudflare tunnel
There's some irony here.
I don't think it's a great tradeoff, when optimizing for independence of specialized solutions at least.
BTW, Tailscale Funnel²³ (in beta) does provide public reachability! ² https://tailscale.com/kb/1223/funnel ³ https://www.youtube.com/watch?v=MpxmfpCl20c ¹ Please enjoy this hand-typed em-dash.
But fortunately IPv6 is maybe finally happening, which solves many of the NAT problems, and in the meantime there's clever things like Tailscale.
https://cloud.google.com/free/docs/free-cloud-features#compu...
https://docs.oracle.com/en-us/iaas/Content/FreeTier/freetier...