If you really believe this than you are no conservative, or at least have no faith in the free market. Or at least you'd have to stipulate why there is suddenly no competition. If you could argue that, then I may agree with you, but I'd have to switch parties.
As I said before, if they don't put the fair tax and elimination of the income tax in the same bill, we would see an uprising like that of the amnesty bill. (Really, probably worse.) Although we are shooting ourselves in the foot, economically speaking, with a whole host of other things currently, this isn't one of them.
“if they don’t put the fair tax and elimination of the income tax in the same bill”
This is not possible since the 16th amenmdment allowing the income tax can only be repealed by 2/3 ratification of the states. If you think that’s easy, just ask the Equal rights amendment people who currently have 35 of the 38 states needed, and are for the moment stuck on that number......