USB is $15?
I have an old 2GB one. Will that work?
### DIY SIGNING DEVICE (A.K.A., HARDWARE WALLET)
1. Buy a $15 [USB](https://amzn.to/47DSPU2)
2. Install [Tails](https://tails.net), which comes with #electrum--be sure to choose Persistent Storage
3. Profit
Discussion
Even better! It should work fine if you can wipe it, but check size req's for tails, not sure off the top of my head