If you buy one camera, you are likely a billion times more likely to buy another. And, you have the disposable income to be in the market.

>> there's things one doesn't buy again often, like washing machines

You are not a whale, but you might be. Most people only buy one washing machine but a few people buy dozens (apartment managers and such). Such people, whales, sometimes buy one as test case. So ya, if you buy one then you are a strong maybe for one day buying many more.