[ThinkDifferent]

Necessities differ. The government could reject your housing expenses or allot $300/mo for housing needs because it decides you only ‘need’ one bedroom.

That's why the FairTax doesn't try to decide what's "necessary". You get a fixed monthly rebate that's roughly equivalent to the tax you would pay for basic needs, but you're free to spend it on whatever you want.

[Always Right]

That's why the FairTax doesn't try to decide what's "necessary".

But the government does decide what amount is necessary.