As someone who is a bit of a luddite when it comes to smart home features, there are 2 things that really stand out to me that i would like.

1. Open/Close sensors, I would like to put sensors on my shed door and side gates that can tell me if they are open or closed. I will occassionally leave these open, or the kids may leave them open and would prefer they be closed each night. It's impossible for me to tell if they are closed at the moment without stepping outside.

2. Smart plugs. Being able to remotely operate / schedule plugs to shut off or on seems pretty nice. Outdoor lights being one usecase. Kids media area is another.