I have seven pickups from various guitars. They have a fair amount of polish gunk and dust in the various nooks and crannies. They are also covered in light scratches from being stored on top of one another.

I was wondering, is it worth trying to get them cleaned and potentially repaired (if needed) ? Would it cost much? Note: The pickups were given to me for free,otherwise I would just assume use fresh ones. Two of them need new wires as well(I cut them too short by accident) .

I'll definitely be more careful with them if I decide that it's worth it to get them refurbished.

Thanks.
I just realized that this is posted in "Home and Garden". Not that it really matters, just a small error.