You've come to the right place to learn. Some points that I have had driven home, here and in real life:
#1 The cute habit of dragging three cubic feet of material through 1 inch squares that coons and skunks have is not so cute when it involves someones yard or the side of their house. Trap covers and pieces of plywood cut a coon arm bigger than the footprint of your trap are good.
#2 Snakes are you friend. You are in SC, you will probably get a lot of snake work, if you are prepared to deal with snakes.
#3 Skunks are your friend. Lot's of people will deal with their own issues, sometimes effectively, sometimes not so much, but, most people are afraid to mess with a skunk.
#4 Nails that extend down into an attic are very sharp.
#5 Lots of things enter a house in the peak of a gable. You will need the tallest ladder you can set without looking like a buffoon.
#6 Plastic boot covers will give you a lasting professional impression without catching a thing. If you leave footie-prints on some ladies carpet, it won't matter that you lost an arm catching the mountain lion in her basement, she is only going to remember the footie-prints.
There is alot to learn, coming from a fur trapper background. I feel like that if you get to the point you are not still learning in this business, you are probably not going to be doing as good as you could. That is one thing that IS like fur trapping.