Musk famously borrowed money to pay his rent after plowing all his capital into his businesses: http://pandodaily.com/2012/07/12/space-age-risks-and-profound-e

Musk famously borrowed money to pay his rent after plowing all his capital into his businesses: http://pandodaily.com/2012/07/12/space-age-risks-and-profound-effects-on-humanity-why-elon-musk-is-thinking-bigger-than-the-internet/ http://pandodaily.com/2012/07/12/space-age-risks-and-profoun... I'm sure he would have found a way to make do with 1% less capital. But what if rates had been 9% higher, as they will be going forward? What if rates were 28% higher, as they would be if cap gains were treated as ordinary income? At some point, either Space X or Tesla would have never been made. The tragedy is that we will never know the future Space Xs that are never built.