The political divisiveness of the 2016 election led Katie Fahey to write a Facebook post. “I’d like to take on gerrymandering in Michigan,” she said. “If you’re interested in doing this as well please let me know.”

Over the next two years, she found herself on an emotional, political and financial rollercoaster that was successful beyond anyone’s expectations. And it teaches an invaluable lesson: If there’s an intractable problem that needs solving, there’s also a perfect time to solve it. Even if you’re out of your element.