I'm fairly sure most of the highly recommended bitcoin wallets are open source (coldcard, trezor, passport, bitbox, jade, seedsigner). I like the idea of a hardware wallet mostly because as someone who can't read code, I believe the a HWW (both on the hardware and software front) has a substantially smaller attack surface than a general purpose laptop with a general purpose OS running on top of it. The airgap of a HWW is easier for me to understand/control vs. the bluetooth/wifi capabilities of a computer.
I'm not sure how a $100-$300 investment in hardware wallet(s) for either a single sig or 2/3 multisig is ever going to be worse than trying to use a general purpose computer.
I read this several years ago and it made sense to me at the time: https://btcguide.github.io/why-multisig https://btcguide.github.io/
HW touts proliferate on social media spreading their disingenuous rentseeking FUD. HWs are not good for your Biutcoin security and self sovereignty. For starters any serious bitcoin computing should be done on a linux os. Secondly HWs make users dependent upon third party gadgets which can be lost, stolen, hacked or malfunction. It is far better and easier and cheaper to learn how to create your own cold storage free of any dependence upon third party gadgets. Note- The key to secure cold storage is the storage of your seed phrase and HWs cannot do that for you. Read this. https://electrum.readthedocs.io/en/latest/coldstorage.html HWs are for lazy consumer sheeple.
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