11 of my coworkers shared their worst money mistakes - or the gaffes they almost made

Samantha Lee/Business Insider

Adulthood is punctuated by huge money decisions, like choosing a career, buying a house, relocating, starting or supporting a family, and traveling. So making the occasional money mistakes is inevitable.

But some of our most expensive mistakes stay with us forever - scaring us straight and teaching us a lesson.

Below, 11 of my Business Insider colleagues share cringeworthy, unlucky, and sometimes funny stories about the most expensive mistakes they ever (or almost) made.