Answer:

tax

Answer	Crossword Clue
TAX	Deplete
TAX	Impost
TAX	Overburden

TAX	Price add-on
TAX	Sin ..
TAX	Poll or sales
TAX	Tribute of a sort
TAX	Extra dough?
TAX	Value added ...
TAX	Something imposed on a shopper, perhaps
TAX	Internal revenue?

TAX	Surcharge
TAX	Charge
TAX	April payment
TAX	Government's bite
TAX	Strain
TAX	It may be on a schedule
TAX	Whiskey Rebellion catalyst
TAX	Spring collection?

TAX	The power to do this is the power to destroy, per Daniel Webster
TAX	Boston Tea Party catalyst
TAX	Government supporter
TAX	Burden
TAX	Big estate concern
TAX	Payroll deduction
TAX	Invoice add-on
TAX	Income outgo

TAX	It's often above the final total
TAX	It's based on purchase price
TAX	Penultimate line on most bills
TAX	Government demand
TAX	Store charge, often
TAX	Test to the max
TAX	Duty
TAX	Bill addition

TAX	Customs duty, e.g.
TAX	Kind of shelter
TAX	Payment due April 15
TAX	Kind of bracket or shelter
TAX	It may be value-added