"JIT" or "just in time" is a concept...LOL...Duh, can you provide a link that list all the concepts used by SLJB. ..LOL...I also can't provide a link that SULJI's breath air...LOL...I stand by my statement below... "Just in time" supply arrangements and not carrying tens of thousands of items or having the expensive cost of stocking them in a glitzy store with sunday twenty page gloss advertisements allows SLJB to have: DA- DA- DA- Duh, LOW OVERHEAD...They concentrate on fewer items but in high bulk and they can compete with the big boys...