See 5 lavish homes billionaires are selling — and why some could struggle to find a buyer

• Gordon Getty and Michael Dell are among the billionaires trying to sell luxury properties in the US.
• It can take a long time for extremely expensive or unique homes to find buyers.
• Media mogul Rupert Murdoch has slashed the price of his NYC penthouse in half to attract a buyer.

Home sellers are struggling at the moment — and that can include uberwealthy ones trying to sell off multimillion-dollar mansions.