OK I checked a web site that I have used before for shipping quotes....They weigh right at 20lbs a wheel, so the cheapest I could find was a ground UPS shipment for $7.15 per wheel....The next was USPS at $12.75 a wheel, but it was a day slower...
Let me know what you think.....
FYI- I was using 63017 as my starting zip...( it's my work zip, they have regular pickup there...)
The web site is ....
www.iship.com
Thanks!