Dr. Diffs shipping cost.

Yeah, that's crazy! In that instance, I'd simply give him a call and see if you could order it over the phone. It's likely just a function of a quirky algorithm that calculates shipping costs, so I'd be reluctant to place blame on Cass.
Dang, Evan...you're a smart guy.
I poked around and saw that the rate quoted was a flat rate international. If I were in the Congo, that would be a heck of a deal!

New rate....

Summary

Payment method: Credit Card (We take Visa, Mastercard, Discover, and American Express)
Shipping method: USPS Priority Flat/Regional
Subtotal: $125.00
Shipping cost: $11.45
Total: $136.45

Thanks for cooling me off on that. My quick temper and rash judgement get me off track sometimes.