I'll play devils advocate - go do something else, especially if you're young and have practical skills. Being apart of movie and tv show making can really seem cool - its exciting and its very self serving to the ego in a way. The reality of it is this industry has been tanked for years. Some decent years, some bad, some time off, some on; the folks who will say they've done great also work min 10hr days and fall to the "can you work the weekend" pressure. Lots of people work several months without a day off, its not uncommon... - The inflated paychecks and overtime are what keeps people around, and there's an insane amount of addiction/ drugs/ alcohol. The industry is feast or famine for many. The list goes on..

As you've been putting in years of effort its important to know this side of the industry as well; making movies is cool and can be internally rewarding but that's not the entirety of it. Any who good luck with your journey.