Immigration law experts say the “gold card” proposal is far more complicated and uncertain than President Donald Trump and Commerce Secretary Howard Lutnick made it sound when they announced it last week.

In two weeks, President Trump plans to start selling an American citizenship “gold card” for “about $5 million.” A magician never shares his secrets, but this offers a chance to peel back the curtain on a classic trick where any outcome is a win — in this case, on his signature issue of immigration.

President Donald Trump’s bid to lure wealthy immigrants to the U.S. with a “gold card” program could drive up home prices and worsen America’s housing-affordability crisis, according to real-estate experts and people who’ve studied similar immigration incentives in Europe.