These dogs must be some of the best trained and well behaved dogs in the world. As I watched the video I started thinking how much dog food that guy must have to buy in order to give these canines enough energy.
Most importantly, if you want a very well-behaved dog, you should take it everywhere you can. Also, don't chain it up. At 2:00 I imagine that brown dog was barking: "I want to go with those guys!" Those dogs were obviously having a blast.
Dogs are amazing animals, I take my two dogs to the park 1-2 times a week and I really enjoy it. It's therapeutic for them and for me. Here's a picture of my boys: Harrison on the left and Hemingway on the right I wish I could say they were as well behaved. They are great though.
It's much easier to get someone to watch a small dog while you go out of town and a good kennel is expensive. You're both right to wait until you have enough time to dedicate. If we ever get another dog in the future, it will be a small, scruffy rescue with a good temperament and a love for naps in our lap and the occasional walk.