This 28-year-old visited 7 countries in Europe for just $2,800—and is on track to save $1 million in her 30s

By spending frugally, saving her income and investing wisely, this 28-year-old financial blogger is on track to save $1 million and retire early in her 30s. Here's how her money strategy helped her take her dream vacation in Europe — for just $2,800.