>(people my age, 23, already have masters in very respected fields).
Don't compare yourself to others. Its never a good idea.
Please get out of the mind set that you must go to college for this. You don't need to take out huge loans and be stuck in a class for a cs degree.
You can learn the skills for free and with your time.
Pick a project and start learning how to make it happen.
Free Harvard courses. https://pll.harvard.edu/subject/computer-science
Free MIT courses. https://ocw.mit.edu/search/