The energy of a puppy seems to have no limits. If you’ve ever trained a pup, you understand the necessity of a watchful eye at all times of the day; making sure the wires remain unchewed, the cat litter remains untouched and the couch remains accident-free. But even the most attentive owners will recognize that sometimes you need an extra tool when training their dog. Common methods to keep your pup contained involve training with crates or training with barriers, such as pet gates. But which method should you choose? Here are ways to determine whether a pet crate or…