I use it as a currency (quite frequent purchases as compared to before). This is how it was meant to be used anyhow.
I make use of Bitcoin as an investment and not as an currency because I am not interested in buying things with my Bitcoin. If I want for need something I pay for it with normal money. Quote
"A purely peer-to-peer version of electronic cash would allow online payments to be sent directly from one party to another without going through a financial institution."
but i prefer to use bitcoin when price is rising 
Who doesn't?I just use Bitcoin to let me make some more money next to my job.