Independent retailers should buy the smallest opening inventory that can still create a credible test. Too little inventory can produce a false negative; too much ties up cash before the store has learned anything.
One Major Frames full floor-program example is 160 pairs: 132 on the display plus 28 backstock. Smaller countertop formats require fewer pairs.
Choose opening quantity from
- the business question being tested
- display capacity
- reader-power breadth
- style variety
- supplier lead time and refill needs
Use the first 30-, 60-, and 90-day reviews to reshape the mix.
Continue: Independent Retailers resource center.