I travel quite a bit and don't want to lug around a 2nd 'air-gapped' computer. I know that connecting a hardware wallet like a Ledger Nano S to the Ledger Live desktop app running on a computer that's connected to the internet not considered a 'fully cold' wallet setup.
I asked if a non-networked VM would do but it sounds like there's no extra security with that.
So, what would be a good solution for a 2nd 'air-gapped' computer for travelers? Perhaps Tails installed on a USB stick or 'OS on a stick' products that are out on the market, such as the Intel Compute Stick:
I'm looking for a solution where I can use my laptop's screen and keyboard.