Agree. Only if you are passing the scrapyard, will it be worth it. Gets you shot of it, though, so doesn't matter if you get your money in one go, or a few small amounts. Last time I checked the value of pure copper locally to me, it was £5 a kilo, but will check tomorrow & let you know.
Don't forget other types of scrap, like electric cables, & general stuff like old washing machines, rads, etc, as they were near to £200 a tonne, & not hard to reach that! ( that's if your scrap place takes all )
As said, compare prices!