How much would synthetic hair extensions cost in the US?

I have hair that is just touching my shoulders. I want to make it 4-5 inches longer and add more volume to it. Any ideas on how much it would cost for synethetic hair?





Oh....%26amp;%26amp; I'd probably want to get wefts of hair [big chunks that cover more of your head instead of small strands].How much would synthetic hair extensions cost in the US?
Synthetic hair is much less expensive than human hair. The costs can range from $10.00 to $20.00, depending on what city the hair is bought in.

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