This is a risky investment and our ultimate goal is to be profitable in our chosen currency. Just aim enough and have a balance lifestyle to yourself and give time to your family. Don't be too greedy since this will be the source of your failure.
The purpose or usage of bitcoin matters a lot. Like you said, if anyone is using it in smuggling or something like that and the law of his state declares such an act as crime or even indulging in bitcoin a bad act then there is big risk. But then again there are ways to hide your activities on the internet and not all the agencies are like FBI that can track everything.