Behold the addictive nature of Craigslist. You never know what you'll find. These are examples of what I've found.
Post 'em for all to see. Meaning, if you come across any, post them here. I searched for wheels for sale by owner within 200 miles. Fun times.
honda civic wheels and tires 4x100 - $160 (ashtabula)
honda civic 13"hx wheels. - $100 (scottdale)
Set of 4 15" 4x100 Integra LS Mesh wheels and tires - $250 (Euclid)
Mini Cooper S Set of 4 PreOwned Wheels - $275 (Pickerington, OH)
Mini Cooper 16" OEM wheels - $300 (Johnstown)
Mini Cooper Wheels / Tires - $150 (Buffalo)
4 "Like New" Snow Tires on Rims for Mini Cooper - $150 (Buffalo)