We knew we would not make it out of our debt snowball without having to replace at least one of our vehicles. When we started, we had $191,000 in debt, medical bills and car repairs all around us. And each vehicle was over 10 years old with at least 200,000 miles. We knew a car purchase was in our future. 

But we were also determined to incur no new debt.

That meant we would have to do two things I had never done before...