Is 1cpu core and 512GB RAM sufficient for 3-4 vehicles?
Probably not. I recommend at the very least 1GB RAM. Ideally 2GB.
512GB RAM or 512MB RAM?
I think it's obviously a typo. I read it as 512MB.
yes 512MB sry it was a typo. Ill try anyways if not the montly price for 1GB RAM is same as my ISP providing me static public IP(since im begind cg-nat) and I have OrangePi zero 3 to run it on so really just trying to optimize the costs
There are ways to work around the CG-NAT. You can use clouflared tunnels. It's FREE. A tutorial like this can help you: https://fleetstack.io/blog/cloudflare-tunnel-raspberry-pi-setup
We have a small business with 4 cars we want to track and im plannich running lowest digitalcloud vps. will it be enough?