That's a lot. Since your parents aren't available, are you using friends or a service? As for a price, is it 24/7 care in your home or the caretaker? Are you providing meals? Whose car? If their car, $.45 per mile? You could be looking at $15 - $20 per hour, with some reduced rate for sleeping hours. Perhaps since it was a whole week, you could negotiate a lower rate.