An e collar enforces your commands. I use them to minimize discipline time. It’s way less confusing to a dog. Especially a family dog.
Buy a good one. And use it. You’ll learn quick that everytime the dog is given free lead, there’s an opportunity to teach coming.
Read on how to accomplish this. Learn to use your vibrate or tone button. If you are committed to the training, the stimulation needed is non existent after the dog figures out what you want.
That’s why it’s important to use it for obedience commands early on. That’s where you’ll get his attention the fastest. And, they’ll learn to stop and listen for their command if they can’t figure it out. Your dedication to using it will determine the dogs learning curve.