Graybar? Never heard of them.
Pretty good price too $1.28/ft for 250ft roll. I don't understand why the 500ft roll is more?
Never heard of Graybar? Reminds me of 1979 when building my first electrical distribution system. When I found out about them- like wow, this beats the hell out of a hardware store!
Got a batch of bad circuit breakers at Graybar back then, they replaced them with no hassle, made me a loyal customer.
The 1000 foot reel is about the same price per foot as the 250', likely they have just screwed up on the 500' in the many price adjustments copper goes through.
Graybar may not be the lowest price you can find, but they have been able to "hang in there" with good stock of damn near everything in the electrical/mechanical world, and can be found all over the USA- a nice resource.