Two cars of the same age can sit in neighbouring driveways and receive scrap offers that differ by a wide margin. The reason is not mystery or mood. Scrap car buyers in Airdrie work from a short list of factors, and each one can be checked by the seller before the first phone call. Knowing the list lets an owner describe the car accurately, spot an offer that does not add up and decide whether to sell now or wait. Factor 1: Weight and Metal Content A scrap car is, first of al