Investing to Bitcoin or other cryptocurrency is a wise decision than other investment. Bitcoin can make you a millionaire after a long term investment while conventional investment cant. Your investment might just be deducted with hidden fees and some taxes while in cryptocurrency only transaction fees exist and wont affect your earnings. Also there are altcoins that is a short term investment, meaning you can make a profit for a small amount of time. It is base on the project you are investing and how the developers make there jobs.