What D Nikolls says!
Look at what your biggest expenses are:
Food is often a biggie, but crappy food at a restaurant is more money and filled with unhealthy calories compared to home-made, so learning strong cooking skills can save a bundle.
Clothing is another biggy. In your industry, uniforms are the norm, but do you buy your own or are they provided? Getting off the "fast fashion" bandwagon in favor of clothing that's sturdy and timeless and learning basic sewing and mending skills which can be applied to a wide range of needs on a homestead can save a bundle also.
Practice your repair skills of all sorts - basic wiring, small motor repair etc. Look for free/garbaged things just to take them apart and see if you can get them back together (hint - take photos as you go!)
Even if you don't live where you have a garden, look for people who might exchange garden access for pruning or lawn-cutting (and learn that lawns *like* being 4 inches tall and that dandelions are edible if you don't put nasty stuff on them!)
If you haven't made it over to the "PEP" and "PEA" programs, that's a great place to see projects that people are doing to learn or practice skills that can be applied on a homestead.
https://permies.com/f/178/ https://permies.com/f/382/pea