For individuals in this situation, you have one massive advantage on your side. TIME.
Deciding to limit lifestyle inflation before you make decent money will set you up for financial success in the future.
This approach will require more self-discipline, so you’ll have to know yourself before going this route.
Getting started will put you in the habit of investing to hopefully increase your contributions as you reduce debt or increase income.
The important point is even if you aren’t paying debt immediately, do your best to set the foundation so you can increase the gap between income and payments as your income increases.