No, they're not. I spend maybe 15 minutes cleaning, washing the wheel and feeding, and then 30 minutes bonding. (If I'm doing something else, it's no problem skipping this, my hedgie is fine by herself.) Also, I've had no problems finding sitters, for when I go away on holiday. ;-)
So, if you have a large cage, a wheel and a heater, it shouldn't be that big a deal.
So, if you have a large cage, a wheel and a heater, it shouldn't be that big a deal.