I have maybe 30 tires of various shapes and sizes on hand, but new tires are usually 2 weeks away. I have to fax in a requisition form and then wait for the office to submit it to our supplier to fill it. Given the "middle man" is there, sometimes I get duplicate orders at the same time, last order repeated instead of the current one, or not at all. Sometimes it's a real crapshoot. We say "Ordering parts is like a box of chocolates....."