As long as she doesn't spend any of the money she saves except the little "spending money " on the side, she's concrete. She's also able to have money on the side if there ever was a fraught crisis she has the financial support to assist her in whatever dilemma she's in. She's able to explore her opportunities by being able to help her parents, maybe get a used car for herself instead of taking public transportation, or rent a nice apartment near campus, and vacation in the future other than just sticking to one alternative, because she'll continuously be confronted with superior problems that will cost more than what Martha bargains for. Saving the money in a high interest fund will help her future by .
The reason why just sticking to one alternative like Martha devoting in a used car is not a noble idea because when buying a used car, there will be some things that need to be fixed for example, a tune up, or oil and transmission fluid change and she would be wasting her money or wouldn't have an adequate amount of cash to put toward the car. She will not have enough money because it wouldn't cover a license and repairs, car insurance, and gas due to her constricted budget. She would also be financially screwed because buying used cars are not reliable. You're sometimes taking a risk when buying them, they may have damages and breakdowns due to the previous owner(s), and the warranties on used cars don't offer the same protection as most non-used cars do depending on how old the car is. Most importantly safety, due to the fact that most used cars don't have the latest safety features. Such as electronic stability control, head protecting curtain air bags, LATCH child seat restraints, and an advanced frontal air bag system which is difficult in finding in used cars. Even though her advantages of buying a used car are so she can drive to and from school and work, rather than taking public transportation.