If you are a first time buyer, steer clear of KarmaSyndicate. A friend of mine ordered 10 hits of California GDF LSD and nothing was on them. I don't know if he/she just likes to rip off first timers but if you do place an order, be sure to try your stuff before leaving a review.
Edit: My friend was refunded today, but I don't really think he's gonna risk ordering from him again
Contacting the vendor before putting them on blast to see if they make it right would be a better way