Ford Focus SE 2000 , i only have one key, and as we know it's necessary to have a second key for any situation, i decided to buy another one at home depot and they told me something chip key. i have to pay 80$ and they need my car, so i look into the web and i found a blank key on ebay, I want to know id this is true or not. http://www.ebay.com/itm/2000-01-02-03-04-05-FORD-FOCUS-KEY-BLANK-/150792183267?pt=Motors_Car_Truck_Parts_Accessories&fits=Make%3AFord|Model%3AFocus|Year%3A2000&hash=item231bea1de3&vxp=mtr IF YOU LOOK AT THE END IT SAYS HOW TO SET YOUR BLANK KEY. is recommended to buy this key? do i have to pay more money for buying this key and activation my self?