Creativity often springs from conflict. Case in point: Kate Duff and Alexi Mintz, who got the idea for 3floz.com, an online store that sells high-end toiletries in TSA-approved carry-on sizes, after Mintz dipped into Duff's supply of travel toiletries one time too many.
The duo, who often traveled to trade shows together for their former employer, began sketching a business plan last summer after bickering over Duff's moisturizer. Their store, which launched in February, sells a wide variety of travel-size lotions and potions from luxury brands such as Weleda, Ahava, and The Art of Shaving.
The store caters to harried business travelers by offering same-day delivery in New York City and shipping to hotels worldwide. Customers also can e-mail a flight confirmation that proves they are leaving within 72 hours and have orders delivered overnight at standard shipping prices.
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