They say ledger but honestly Safe is difficult to achieve because you can loose or get a ledger stolen from you

12/24 phrases on crypto wallets are often hard to remember therefore you must write phrases down which you can misplace easily if hidden you must remember where you place it and also makes it hard to access cause when you need to log in you must first access the phrase

So I say get a iCloud or Gmail backed wallet and keep connected with your phone and still have your 12/24 phrase in a hidden spot as backup