We invest in bitcoins because bitcoins can us rich. Bitcoin value are vilatile in the market which means if we buy bitcoins today the amount of we buy will be much different if the total value of bitcoins will rise in the market. And that is why a lot of people are now going crazy with bitcoin there is a teen ager qho are now a millionaire because of buying bitcoins before when they are just getting started and look at him now he trusted bitcoins so when they rises his money also rises.