There are so many reasons why having an extra income would work really well. If you are like many people who live paycheck-to-paycheck, there is rarely anything to ‘save’ unless you are very disciplined about it. It may take some real, tangible goal to motivate you to save money. However it is still true ‘you can’t get blood out of a turnip’.
You might want to save money for a ‘rainy day’ aka an emergency, where perhaps you have medical or dental co-payments, or your car breaks down. Something of this nature can really bite if you are already stretching things just to get by. Another total crisis would be losing your job suddenly and trying to piece things together to get by until you find a new position. Having money saved would make the stress of this situation so much easier.
Or maybe you are stressed about your bills and how you have really