With borrowed money you can do something sooner than you might otherwise, but then until you pay back that money you'll be paying interest. I wiki 
thought borrowing money was a good idea, I thought that rushing software out the door to get some experience with it was a good idea, but that of course, you would eventually go back and as you learned things about that software you would repay that loan by refactoring the program to reflect your experience as you acquired it.
⇒ Burden