If you're buying Bitcoins, just to cash them out later you might not only get in trouble with authorities due to laws and regulations, but you might also fail. Oh, why? Because the concept of money is not to multiply it, but to use it.
When you talk to professional traders, you might also notice that they wouldn't put all their money in a single asset or currency - using more than 10% of your wealth to buy Bitcoins is probably a very bad decision. You might be very stressed and/or upset at some point. If you're stressed and upset it's more likely that you will be making bad decisions in finance (that's why there are so called FUD articles...).
If you feel a stressed, because the value of your Bitcoin savings increased a lot (so the percentage of your total wealth in Bitcoin is higher) you could spend some of your Bitcoins. In this case:
- You don't have to worry about regulations
- You're getting something you want
- You're making the Bitcoin economy stronger: new merchants are more likely to join when there are more consumers who are willing to spend some money.
e.g.
1) You bought 100 Bitcoins @ 100 EUR -> Current rate 100 Bitcoins @ 150 EUR
2) 10.000 EUR in Bitcoins -> 15.000 EUR in Bitcoins
3) So you could buy something worth of 30 Bitcoins (~4.500 EUR) and you'd still have 70 Bitcoins (~10.500 EUR) left. In case the exchange rate goes lower - you got something for a very low price. In case it goes higher: you still have 70 Bitcoins!
Make sure to search for the name of the merchant and ask others about it, if you're uncertain.
