You know those influencers who get like a few million views from building silly Rube Goldberg Machines?... That's the only thing I can think of to justify the toaster, and then it's literally just taking the place of an RC actuator.
As for the fridge, the only thing I can think of is you're one of those people who constantly forgets what they went shopping for, and need to video stream the interior of the fridge to check if you're out of something.