Too_Many_Tools wrote:
For many (if not most) of my tools, I have them (or will have them)
mobile.

This means being always on the lookout for wheels and casters.

Where do you find the ones that you use to make your tools, carts and
dollies mobile?

In the surplus market, where do you like to go buy your wheels and
casters?

I have had good luck from the Surplus Center:
http://www.surpluscenter.com/

Horrible Freight also has some large, non-pneumatic casters.

Bob