This price is only for this Premium Domain Name ,With no earnings, i am afraid, people won't be paying $2500.
it's not a premium domain
you should lower the price a bit
price for script and plugins + domain price , that's all , it's arround 1300-1500 $ , not more than this
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why don't you setup pop ups ! install them and post some proofs of earnings, this will increase the selling price !