She had worked her hooves to the bone making the orders that Sassy had been stockpiling to ensure her boutique success. She had been slaving over a sewing machine and her many fabrics for days on end, and what does she have to show for it? More work.

Snapping in a fit of rage, Rarity turns down the additional hundred orders for the Princess Dress, and declares that she's shutting down production and going into a closing-down sale. But just before she leaves to prepare, Sassy Saddles explains the tough past that she had to bear when working with other fashion ponies.

This is my entry for the Writer's Training Grounds for Canterlot Boutique