Pet Door Options – Through Wall, Replace Door, or Storm Door?

I just got the call that I’ll be returning to the office after working from home for years, so I’m trying to figure out a good setup for my dogs. They’ll be home alone for at least 8 hours a day, possibly closer to 9 or 10.

I’d like to test a pet door while I’m still home for a bit to see how they handle it before fully committing. I have what I think is a solid location for a through-the-wall install, but I’m open to other options too.

I’m currently considering:

• Through-the-wall pet door
• Replacing the main door with one that has a built-in pet door
• Adding a pet door to a storm door

Here's some pictures for ideas: https://imgur.com/a/ZpZJ5Ay

• Note the light switch above, and there is an outlet to the left. I would have to make certain where wires are first

Would really appreciate any advice or experiences, especially pros/cons or things you wish you knew before installing one.