For audio in particular, I've located programs that have their
own forums so that if you get stuck, you can go to the forum
such as the one for Goldwave and find out what others are doing.The guy at Goldwave took the specific suggestion to start
the forum from his customers. That customer service prompted
me to buy the program after using it in the trial version.
Same deal with Audiograbber by Jackie Frank, except AG has gone
freeware since I purchased it. I don't regret paying for the
prog.