In long term investment with altcoins your asset will be locked for years which means you need to be patient for a long time of not withdrawing your asset but in exchange of higher rewards. Market moves up and down but the long term investment will surely gives the you high profits in the long run. However, knowing that there are thousands of altcoins available in the market today, so, you need to choose the right altcoin for you that will also last long in the market.