Hardware wallets are definitely the safest option, without costing too much. They are certainly worthy if you're holding large amounts of crypto.
Whether the investment is large or small, if you want to hold for long term, you must use Hardware Wallet to ensure the safety of your investment, needless to say, today's small investment may turn into a giant asset in the future!. If hardware wallet is not available, then at least a good software wallet should be used. Of course, the wallet should be used in the offline environment. However, exchanges can be used for short-term trading, but it is better to use top-rated exchanges.