It is not always true as many altcoins may fall in price and you may be at a loss. We know there are several hyped shitcoins in the market which tempt the people and end up as a pump and dump scheme - while investors are too late to realize that. Its important to save and invest at the same time, otherwise you will end up with no money in your pocket for daily necessities for everyday life. Also jumping not investing money is not a good option without proper knowledge and information on the investment.