I wonder if it would have been the same cost to do an outdoor fiber run.

Yes but you can get two free instances under the same account.

Actually you can get 2 IPs for free. Then use high availability

I use ZeroTier on a MikroTik router.

Then just advertise routes on the router.

I didn’t see the LTE module? Is it m.2 form factor?

The laptop with a full sized mechanical keyboard on it. Oh and dual 330w power bricks.

https://www.pcworld.com/article/407225/acer-predator-21-x-review.html

Ionos.de has a €1 a month VPS

I think 1 core, 1gb ram, and 10gb.

Use either caddy or Nginx proxy manager. Both are easy to setup. Also both are dockerized.

I use Tailscale as my tunnel.

Total latency is about 70-90ms for me.