If he's in Costa Rica he should check out bitcoin jungle, based in Uvita: https://primal.net/bitcoinjungle https://www.bitcoinjungle.app/business-services

Some interesting implications for ACH transactions that get cancelled/returned/whatever other shenanigans are possible with ACH, not sure how they intend on handling those situations.

I think the significance is in the automation: incoming direct deposit to bitcoin balance, automated sell / transfer / accounting for outgoing. So you wouldn't need to open the app or make any decisions related to selling.

Might be a fun project to connect to the blockstream satellite if you're in the desert https://blockstream.github.io/satellite/

I'm not sure exactly how straightforward it is to go the diy route vs their kit which seems a bit pricey for hobbyist stuff.

I had set up one of these to work remotely through tailscale at home, but I discovered Android seems to support WiFi bridging as a hotspot now (or at least my pixel 8 pro) so I just did that instead and returned the router.

Unfortunately if you want a VPN tunnel as well you need to unlock & root (https://github.com/Mygod/VPNHotspot)