Bitcoin is a good investment because
1. Price is looking strong
2. Bitcoin have recovered quite nicely from that big dump happened few months back
3. After the price touched 1100$ it came back to 700$ but the price became stable now at 900$+
All the facts show that bitcoin will always remain a safe place to invest into.
As long as people interested with bitcoin, it's price will always go up because the limitation of the amount will make the demand easily increase. Bitcoin good investment because that reason.
Also see the daily sites which are coming up on daily basis which involves transactions in Bitcoins. Gambling and Porn Sites fully recommend Bitcoins to a payment method. All These things will make bitcoin the best online currency and for that reason its price gonna increase very much in the coming days.