oldschool,
Buy diapers and focus on raising your child. Along the way, you'll find some time or another to buy firearms (milsurps are cheaper, btw), but your child will grow up all too fast and next thing you know, they'll be off to college.
When that happens, you'll have money and time to devote more to the luxuries of shooting. In the meantime, if you're tight on money, spend it on your kids and their raising. Fishing is good, for example, with cane poles.
How do I know all this high falooting wisdom? I have two, kids, that is. One has graduated college (with honors) and is getting married this spring. The other is graduating (with honors) this spring as well. I didn't have a lot of money over the years of raising them, but spent as much time as I could with them. Looking back, I wish I could have spent even more time.
Regards,
Dave