It depends on you and what you want otherwise putting it in a wallet is much far more better than that, putting in wallet as investment gives you more peace of heart and you would feel relaxed provided that you have the access to the wallet and store you seed phrase carefully then nothing to worry. But in future trading there is every possibility to lose it entirely without you counting about the money and will be gone.
Therefore, in my opinion I will advise you to go buy bitcoin and some reputable coin such as ETH, BNB TRX, DOGE and save the wait after halving till 2025 then you will never regret doing that.