Where the big money is right now

Here in NJ, right now the big bucks are in -

Carbide $3.50 lb
Nickel $5.00 lb
CPU processors $5.00 lb

I don't know what the price of tin is here but it's $11.80 on the LME (that would probably make it around $5-6 here)

What's paying big in your area?

Copper and brass, when you consider all factors such as availability and transportability. But for ferrous metal - #1 iron (a little space goes a long way as long as you have the means to haul 2-3 tons or more at a time)