DIFFERENCE BETWEEN BOOKS Stack it up has challenges that range from $30-$7500. Stackin my paper has challenges from $300-$20,000 Stack it up has smaller monthly challenges that help you save for that month. Where as stackin my paper has multiple challenges that you can do over any time period. The financially flawless planner has 2 challenges but is more for budgeting your finances throughout the year, credit and weekly planning www.iamherstationary.com | I Am Her Stationary