Investors have an eagle eyes to figure out good investment opportunity (most times). They also know how to source for capital when they have insufficient to pursue a particular investment. They understand the risk in investment and so dust up themselves when they fall. They obviously understand that money is used to make more money and the rule of invest more to increase your profit comes to play like trading with more bitcoin value is expected to give you more in the future.
There are many types of investors. I like the Venture Capitalist because they invest in companies that eventually generate innovation for everyone to use. With ICOs I sometimes feel like a VC LOL
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The best way to gain money from money is to make an investment or maybe buy and sell process it is really profitable if you will be serious on making an action on this feild the best thing to do here is to become always active on checking the price on the market place.
If you want to invest, then you need money. And for serious investments you need serious money. Now I'm investing in Bitcoin, but I'm always in short of money.
In your case , my advise to stop investing in Bitcoin because short of money will make you don't focus on how work your money is, you will only focusing on how fast you gonna take them back.