It used to be the only dog training aids you had available would be to either take your dog to a training site and with gas prices these days who needs the extra cost. You could also pay to have a dog trainer come to your home but the cost for these types of lessons can be very expensive.
As with anything else the Internet has made available tons of dog training aids. Every year more and more top trainers around the world are putting together dog training aids in the form of down-loadable ebooks, audio and video training lessons. These dog training aids allow you access to some of the best trainers at only a fraction of the cost and in many opinions a better format because you are training your dog.
It serves to build a better relationship with your pet when you are the one providing the training rather than a stranger who is going to spend time training once a week or so and then be gone.
With these new dog training aids you can take the time to go over the training and then work with your dog as much as needed to ensure it is being effective. Using a trainer at your home you always have the worry of cost and if something is taking longer than normal then it is costing you more money.
Many of the new online dog training aids also come with access to member forum areas, question / answer session with top trainers and access to support if you are experiencing problems with the lessons. In most cases you have the same or more support than you would use a local dog trainer.
Trainers like Dove Cresswell who has spend years training dogs and other animals for the movies and television are creating outstanding dog training aids. You can choose a complete course or there are specific types of training for obedience, house breaking, chewing / biting, etc.