Forbes reports on the Pirch, a fast-growing retailer that uses in-store showers, gourmet chefs and secret entrances to the highest of the high-end plumbing and appliances.

The Costa Mesa, Calif. store, which opened in 2011 and became the prototype for the chain, is projecting same-store sales growth this year of a staggering 50 percent, with sales per square foot of more than $2,500, a figure higher than all but three U.S. chains (behind the likes of Apple and Tiffany).

More details here.