Meritline: Auxiliary Cable Only $1.49 Shipped
UPDATE: Expired!!!
Meritline has this 3.5mm Auxiliary Cable for only $1.49 when you use coupon code: MLCKX08RNL1 at checkout (You have to be logged in to add a coupon code, and coupon expires after 400 uses).
This item ships from their China warehouse and most customers receive it in 2-3 weeks.