Answer:
I am of several different kinds, but the one you pick doesn't do its job. What am I?
I can wave my hands at you but I never say goodbye. You are always cool when with me even more so when I am high!
What kind of dog keeps the best time?
I drift forever with the current and flows to your everyday life. I make living easy but I am good at killing people too.
I can only be played on a windy day
How do you know if a sniper likes you?