On a second thought, it might actually mean "So the prickle does nothing?" or "So the price is harmless?"

"яадаг ч үгүй" means "does nothing" or "stays the same". өргөс яадаг ч үгүй --- nothing happens to the prickle өргөс яадаг ч үгүй юм уу? --- nothing happens to the prickle? Тэгээд өргөс яадаг ч үгүй юм уу? --- So nothing happens to the prickle?