My first was adopted fifteen years ago - and was $16 or $18k. My second was bio and I had full coverage insurance, we never saw a bill. But that was fourteen years ago.
However, I want to warn you - if $8k seems like a lot of money, its a drop in the overall bucket - fifteen years ago daycare for two kids was $1600 a month. Right now I have teenagers who don't drive - so we are in the "cheap stage"- I only needed to spend $1200 for sports this winter. The'll both start driving in the next two years and we will add $500 a month to insurance. If your public schools aren't acceptable, factor in tuition. Our Disney trips cost $2k more in airfare and park tickets than when we were child free. Diapers and formula were $200 a month - again, more than a decade ago. "But I'll breast feed!" Yeah, my daughter didn't latch - then she did - then she said "enough with that, I like a bottle better because I can see the world!" (She really hasn't changed since the day she was born). My son is fifteen and active - half the grocery bill is feeding him. I'm not saying they aren't worth it, but children on one of those things that you think "they'll be cheaper when they are out of diapers" and then discover that there is just something else you pay for - they never get cheaper - daycare costs turn into saving for college. Diaper costs become fees for pee wee football. You wonder if all children go through four pairs of tennis shoes a year. You'll figure out a way to afford it, but it will be expensive.