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With high knowledge regarding to the project you can invest your money and wait till it brings you your target generated profits, take a bunch
of research and keep assessing the potentials and possibilities before placing your money to any project, you are in control of your investment
make a use of it, analyze and start to take your steps forward.
The problem is altcoin far more difficult to be analyze because of it's volatile value.
But every people have their own luck so who knows that you can earn profit by holding coin X for certain times,
Who knows...