An old android phone (preferably one still getting security updates, but either way keep it offline), maybe the cheapest laptop you can buy in person at Walmart.
Discussion
I know you are a “public” bitcoin figure, but could you offer your general thoughts on Jade and Cold Card?
Keeping a phone with a propriatary GSM module offline? Who are you and what did you do to Matt?!
And what wallet software do you run on the phone?
And the DIY projects like SeedSigner ?