Jennifer Herskowitz spent years scouring aisles and studying labels at Whole Foods and stores like it, wishing there was a shop that stocked well-organized, clearly labeled allergy-free products for her kids, who have serious food allergies.

Herskowitz, an attorney with no retail experience, found a solution in 2007: She opened such a store herself.

The Allergy-Free Shop has grown steadily since its inception, with an evenly balanced cash flow as of this year.

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