Best with out do any thing is buy bitcoin when price down and sell when price high but you need more than 1 bitcoin to be effect
If you have lots of capital, this is really a good way to earn a good living - buying low and selling high with bitcoins and or with other altcoins. There are ordinary people out there in exchanges that are making big money just by trading and some really make it a full-time work and their main source of living.
trading is indeed the best way to get a lot of advantages. but we must remember that doing so was not easy as the theory of buy when prices down and selling when prices are high. all it takes knowledge, if you don't have skills we will be difficult to make a steady income in trading.
Buying low selling high is just a normal concept or basic thing to do on trading world but infact this is the hardest part when you are already on the battlefield on which you would see that this thing is wont really be easy.
Trading can really make an income but wont guarantee you to give you a steady income for daily basis knowing that we cant be sure on having a fix profit for day and thinking off that we would really have losing trades too.