I don't know that I could effectively comment on this, as the situation hasn't really (and knock wood never will) presented itself to our family. I know that I would take as many steps as I was able to afford, but there are financial limits to any situation, and hopefully I'll never find out what mine are.
Currently I have to give my diabetic cat, Booger, insulin shots every morning. He's 18 years old and I know many people would have had him put down a long time ago. I don't see him suffering at all, and he's still alert and active, so I happily pay for the insulin and the shots for him. Based on that paradigm I'm sure if something happened with She-Ra I'd move heaven and earth to take care of her.
I'm finding this topic interesting, though, because more than one person has asked me how the hell Booger's still alive and why haven't I put him down yet? I shrug it off (because I KNOW they're joking when they say it), but I often wonder how far I'd be willing to go to protect the ones I love?