Storing them in crypto is a very good idea because the profit in crypto saving is very high in a sort time period especially in the current timing when the halving period is ahead. It is sure that in the coming halving the price of BTC will be very high that it can reach to a double price or more of the current value of bitcoin.
It is easy to advise when you do not risk anything)) And what you have given as (so-called) arguments is very unconvincing. If TS asks such a question, it is 95% likely that it is poorly oriented in cryptocurrencies. Therefore, for him, familiarity with crypto can be very sad.