Mariah is single and has a monthly disposable income of $3,200. Her monthly cash outflow is approximately $2,800. Mariah includes contributions to a retirement plan and money for investments as part of her cash outflow. She has car insurance and a life insurance policy. Mariah has saved $15,000, but wishes to use $10,000 for a down payment on a house. She has also purchased furnishings for a house, which she has in the spare bedroom of her apartment. Mariah hires a financial planner to examine her money management, and he determines that her plan needs work. What part of Mariah’s financial plan would he encourage her to work on and why?