Yeah he's almost 3, I'm just thinking ahead. Plus I'm pretty sure he won't be able to break into it. It's had a piece of angle iron welded around the door seem so it would be extremely difficult to get open.
That will not stop the B&E guys who see it and go Fuk Yeah, they're getting $2K on buyanythingnotnaileddown tv, grab it and lets go.
Nice idea but how many people will go, "So how come the pop machine doesn't work?"