1. 1,200 for Rent
2. 400 for car insurance, and/or lease and related repairs and gas
3. 500 on groceries (more if eating out)
4. 200 for clothing
5. 300 for utilities
6. 300 for random expenses (seforim, garbage bags, new shades, etc…)
7. 200 for household necessities
8. Health Insurance???
9. Other Items???
By not spending much, you are already over the $3,000/month threshold!
Good luck, and may you and your kallah build a wonderful Jewish home!