If they expect the rate of return to exceed what they could get elsewhere, of course they will. Depending on what the investor expects to happen to land pricing, the math can pencil out just fine on letting an asset sit until someone's willing to pay enough for it. There's no deeper story here - invest X on the assumption it turns into Y, where Y is sufficiently larger than X to make it worthwhile. The fact that it's housing, as opposed to bonds, futures, paintings, crypto, whatever, is an interesting fact, but not really one that's relevant from a finance standpoint.