Buying a no pull dog harness is easier online as you can compare products and prices from different stores and choose where you would want to shop accordingly. If you depend upon your local pet shop then you may have restricted varieties to pick from.
When shopping on the Internet for a no pull dog harness you will find different types of pet shops including those that operate online only. So even if you do not like shopping on the Internet you can still use the power of the Internet to research the right or the best no pull harness and then shop online from a pet shop that has a brick and mortar operation too.
You have countless options so proceeding wisely would be all you would want to focus upon. When you are after a specific type of a dog harness it would be more difficult for you to identify and purchase the right brand and model as opposed to going for something that is generally available everywhere.
It would therefore be a good idea to start researching in advance so that you can find the right product that would be useful to your needs and purposes as going for a no pull dog harness for example would require that you identify the right store that would have stocks of a good variety of these types of harnesses for you to choose from.