What are your thoughts on this? Personally, I keep all my BTC in a single hardware wallet. I’d like to know, from the Bitcointalk community: do you think the saying "don’t put all your eggs in one basket" also applies to those using a single hardware wallet?
Do not do it or you will regret doing it. No wallet is a 100% safe therefore do not put all your hopes in just one wallet as it might fail you sometimes. The problem might not be from the wallet but formi you the handler because you can make a mistake without knowing and it ruins all your life savings that you have in Bitcoin. Just as you should not put all your Bitcoin in one wallet, do not also put all the money you have in bitcoin. Diversify into other investments. Open source wallet are the best therefore for any of the wallets that you are going to use in hodling, they should be non custodial as well open source. Choosing the right Bitcoin wallet to use in hodling is very important and should not be ignored.
If a Bitcoin holder cannot handle one wallet securely how else do you think he can handle two or more wallets. The problem is on the individual, if he can secure his wallet well then there is no need to have another wallet. It is possible that he can lose both wallets at the same time if he does not prioritize security.
In the case of using his Bitcoin for several purposes an investor can have wallet for savings in Bitcoin why the other can serve for daily transaction. This way one will be accessible frequently while the other only for checking purposes.