Of all the great investments Warren Buffett's Berkshire Hathaway (NYSE: BRK.B) has made, few have been more successful than Apple (NASDAQ: AAPL). With the consumer's dollar getting stretched thin thanks to inflation and soaring housing costs, expensive devices like iPhones and their accessories may be on the chopping block for many. AAPL PE Ratio data by YCharts Apple's price-to-earnings multiple (P/E) has expanded significantly over the past decade, and its expensive 28 times earnings valuation is well above its pre-COVID highs.