Dog Fence Schematic What Type Of Dog Fence Should I Use?

What type of dog fence should I use? - dog fence schematic

I plan to adopt a dog soon, but I live next to a busy street. I do not really attach to my dog all the time or a fence around the yard, because it would cost much money. Then I saw this in the underground dog fences. If you tell me what they are, how they work, or if you have one. Any information would be good. Thank you!