The fact that you are asking the questions as a non-resident of Texas is fine. Texas residents are asking the same ones with no answers. Eliminating property taxes is not doable unless we have a state income tax and raise sales taxes. Neither one of these dogs will hunt down here.
If that is the case, I would be very, very skeptical of her. A possible spoiler plant, or just upstart shot into the dark, and therefore easily bought after election.