Australian Shepherd Alone Time: How Long Is Too Long?

I don't have an Australian Shepherd yet, and I've been trying to convince the rest of my family to buy one someday. However, my family's only problem is their energy.

Because of covid, I'm doing online school and my parents are working from home. But hopefully, we will be back to our regular routines soon, which means that the Aussie would probably be left alone about 6 hours a day.

My house is actually pretty small, but it does have a backyard and my neighborhood is pretty big. There are huge yards with a gigantic place for the dog to run, play, etc. It's a walking distance of my house. A lot of people who live here have big dogs, because of the huge grass areas. So every day for a minimum of an hour, I would walk my Aussie after school, and entertain him/her whenever I'm home.

There are also plenty of parks around my town, so I would bring my dog there too with frequency. My parents only worry is the time that it would be alone at home. We would obviously crate train, any other specific training for staying home alone.

But, my question is, with all things considered, including the walks, the place I live, and that whenever I am home, I would be entertaining it, but with the con of it being alone at a maximum of 6 hours a day on weekdays, would the Aussie be happy?

Are there any tips available for entertaining the Aussie while home alone?

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