Try your local junk yard, it should be full of them.
Try craigslist, there are tons of guys who just can't resist buying a $xxxx set of fancy wheels, they need to sell their old wheels to offset the cost of the new very expensive wheels. The dealer may have some steel wheels that are used dealer takeoffs, and will carry a lower price.
Rock Auto parts has had some good prices on new replacement wheels. Shipping will have to be factored in.
I have had good luck with craigslist. I would not buy a set of wheels off of Ebay unless it was also local. It costs a lot of money to ship a wheel.
Also, some Dodge wheels will fit older, GM 8 bolt trucks. This gets tricky because of bolt covers.
Finally, GM in the past 2-3 years changed its bolt diameter. Older wheels do not fit newer trucks without an adapter and vice versa.
Good Luck.
