But I like saving bitcoin and several altcoin assets on exchange market, easy for selling when price suddenly pump witjout have to move exchange account when trading.
This is convenient if you are an active trader, but there are definitely additional risks that can be avoided. Even if we are talking about an amount that is not a pity to lose, it can still be a loss of funds, which we do not need. You won't spend much time moving coins from wallet to exchange if needed, but it can save you money.