Wicker furniture generally has a long shelf life and can last a long time, depending on how you take care of it. White is a problematic colour though as it is easy to get dirty or to stain so proper care is needed.
The answer to this question depends on how well the owner of the furniture preserves it. If the furniture is coated or finished, this is likely to add to the life of a product that is not otherwise...
The cost of white wicker furniture depends on the piece of furnitur you are interested in buying. A patio set can be anywhere in the range of $500-$1500. Sears offers very good deals on white wicker...
Wicker furniture depends on your environments weather and how well you take care of it. If you live in a dry mildly warm climate then it will last a long time. Also take care of your wicker.
I started researching this question again today , as I happened to find a bottle of Fox Den 1991 private reserve 'Temecula Chenin Blanc' in our bar. It was most likely purchased by my mom back around...