Avanti TFL-11 Broil/Bake Oven With Burners

Re. previous reviewer "unable to operate range and oven at the same time."

While we've had this oven only a short time, the one thing we weren't prepared for it the time it takes to boil water (about 20 minutes) or for the oven to heat up (about 20 minutes). The other quirk is that you can't use the range and oven at the same...