What is the best option for inexpensive fencing?

I have a huge yard that is 3/4 fenced and a small dog. I want some fencing that is attractive yet not too expensive, and easy to put up!!|||There is a wire fencing called field fence that you can use. It comes in a few different sizes. Some has small openings at the bottom that get larger toward the top. Some has square openings and some with rectangular openings. Home Depot or such carries it.|||Fencing is a very expensive sport, you probably find some good used gear online, you should by a new foil, because they get bent up pretty bad.|||Aluminum fence is the way to go