I don't really understand why everyone is struggling to understand this point.
So you're cheap and want to spend less? Great, have at 'er.
Why care that we find a few extra dollars for convenience works for us????
I have found its best when you let the filets dry for a long time before they go in the smoker. Someone said 24 hrs. That works if the fridge is not too moist. It needs a nice glaze on it before you smoke it.