Personal token factory: OpenClaw in AWS but Nvidia GB10 at home

Even though Nemotron 3 Super is still free on OpenRouter, the agreement is that you donate all your exchanges to Nvidia for training. A paid version is available also quite cheaply ($0.10/M input, $0.50/M output.) I still decided to utilize my ASUS GX10 (aka DGX Spark aka GB10) as the token source for my agent hosted at AWS. But the trick here is the following: I don't want to open my home network to the outside Internet! Another rule: I don't want to pay for any public IPv4 address to AWS. Will