If you're honestly working "75 hours a week" and living alone, I would hope that you are making some fairly mad bank, in which case you can feel pretty good about building a strong base for yourself financially via sensible savings and investment (solid transportation and some kind of home ownership).
If you're NOT making pretty mad bank for that much time on the J.O.B., it might be worthy to reexamine how much value there is working 75 hours a week on this gig compared to working elsewhere (back home or in a 'fresh' location) for a more rational 50-55 hours a week combined with increased education and/or community service work.
If you're NOT making pretty mad bank for that much time on the J.O.B., it might be worthy to reexamine how much value there is working 75 hours a week on this gig compared to working elsewhere (back home or in a 'fresh' location) for a more rational 50-55 hours a week combined with increased education and/or community service work.