Thanks to the benefits of prenups, more millennials are signing on the dotted line before saying "I do."<br />Contrary to popular belief, you don't need to be rich to get a prenup.<br />The cost of one depends on your location, what you're protecting, your lawyer, and the length of negotiations.<br />Business Insider reports that typically, prenups cost around $2,500.<br />But the more time that's spent haggling out various issues, the higher the price. <br />