The Sony Bravia KDL40EX520 40-inch Full HD LED-LCD TV is on the Costco floor for $999.99. The same television is at JB Hi-Fi for $1241, a hike of $241.

The Toshiba DX1210 all-in-one PC sells at Costco for $1599.99. You can spend $300 more at Harvey Norman to buy it for $1898.

The Microsoft Wireless Comfort Desktop 5000 Keyboard and Mouse combo sells at Costco for $79.95. This product is at OfficeWorks for $149, a difference of almost $70.

The Nikon D3100 DSLR Twin Lens Kit at Costco is $899. It's also available at Harvey Norman for $1249, a difference of $350.

The entry level TV is a Samsung 19-inch high definition (720p) LCD for $239.99. If you need something a little bigger, a monster-sized 55-inch Sony Bravia sells for $1599.99.

Discounted groceries, fresh fruit and vegetable, clothes, glasses, bakery goods, meat, pet food, baby goods, tyres, jewellery, appliances, toys, books, and appliances fill the hundreds of shelves. Even though the Sydney store is one of the smaller Costco stores in the world, there are over 3,000 products to browse through.

Samsung Series 4 D450 flat panel television  $589.99.

a Sony Bravia 46-inch LED LCD Full HD TV (KDL46EX520)  $1,249.99

and a Panasonic Viera 50-inch neo plasma with Wi-Fi and 3D (VT30) for $2,499.99.