Complex sentence: Working on the'Pile it High, Sell it Cheap' business model and selling a large range of frozen foods, Cartier's picked up on the growth of domestic chest freezers before most other retailers did.
Split into simpler sentences: Working on the'Pile it High, Sell it Cheap' business model. Selling a large range of frozen foods Cartier's picked up on the growth of domestic Chest Freezers before most other retailers did.