Rent out your extra room to a roommate to make more money. Try Craigslist.
Renovate another room to move into and move into your bedroom. Use a No Interest credit Card to Finance this.
Make extra payments on your mortgage
Thoughts:
The first step to building this comfort is to simply start.
For anyone starting out and feels apprehensive, set a fixed term such as 3 months so that you’ll know you’re going to get your space back at the end of the term no matter how bad the situation is.
Don’t get discouraged if you don’t find a roommate within a week.
If you’re single and have a house that’s bigger than what you need, start renting out a room shortly after you close, then rent out another one and so-forth