There are pointers for buying and holding Bitcoins:
1- Never invest more than you are willing ( able ) to lose:
Bitcoin is a very risky investment and you should keep in that in mind every risky investment , and you should keep in that in mind at all times.
2- After buying Bitcoins make sure to move them to your personal wallet and never leave them at the exchange .
3- Make sure to buy Bitcoins only from exchanges that have proven their reputation.
4- Buy Bitcoins through Dollar cost averaging ( This means that you don't buy all of your Bitcoin in on trade but instead buy a fixed amount every week , month or even day in a year . This way you average the price over the course of a whole year.
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