You can find $60,000 cars for sale just down the street from $18,000 cars, can't you?
There are many dissimilar types of cars. Dissimilar cars may have different prices.
What you won't find is two similar cars with such price differences.
The reason you find all similar products priced similarly is because competition drives out unnecessary costs, just as competition would force eliminated tax costs from prices after implementing the nrst. Then add the nrst and prices come back to today's level.
But you will have no withholding (you'll pay your 100% of your taxes when you purchase for retail consumption) - no payroll tax withheld and no income tax withheld. ANd you'll have a prebate to cover the costs of poverty level spending.