You keep asking what we think are better numbers for kids, medical expenses, etc. What I spend is irrelevant, because I am a completely different person than you, with very different options available, and I am going to make entirely different choices. I can't tell you what your health insurance costs will be, because I probably live in a different state with different options. But you have relevant information available to you: if you are looking at an ACA Silver plan, then research what that costs in your state on your proposed income; then add in the out-of-pocket max allowed by the plan, and you have pretty much a reasonable worst-case cost scenario. You can then ratchet that down if you want, on the assumption that you won't hit your max every year.
Same with kids. Think of the kinds of things you want your kids to be able to do, and do the research to figure out what that would cost. A few examples from my life:
-School supplies, field trips, school band competition fees, other extra school expenses: @$800/yr. For one kid (the other is in college, so that wouldn't even cover one semester's books). Our school doesn't have a big budget, so every field trip is $15-35 to cover the costs, we pay the costs to try out for all-county band and that sort of thing, there are always things like science projects that require extra supplies, there are after-school clubs that cost $50-60 per semester, and there's one big year-end trip that's like $135 that I want my kid to be able to go on. ES was cheaper; MS is more expensive; HS was even more expensive, because there were more clubs doing more stuff -- my kid got the opportunity to go to nationals for two different clubs she was in, and I was damned if I was going to keep her from doing that because of money, so that was another $2K+ for both trips combined (because we wanted to go too). Her debate team also had several weekend tournaments away that cost a couple hundred bucks each time for hotel/food.
- Birthday parties: At least $10-15 each for a present. We are on the cheaper end of gifts in our area, because I don't like the extravagance that some of this stuff has grown into. But there are a lot of years the kids invite the whole class, and the parties become social occasions for the kids, and the $ seriously adds up.
-Sports: $100/season fees x 3 sports (one kid plays basketball/baseball, the other played softball) = $300, plus cleats every year because the little buggers grow so fast, mitts/bats/helmets every couple of years, plus periodic trips to the batting cage; call it $600/yr or so on average. When they were younger, it was about $150/mo for gymnastics or karate, plus about $50-60 every couple of months for swim lessons at the Y -- plus we had to pay $70/mo. for a membership at the Y to have access to those lessons. Do you guys have any sports hobbies that you'd like to do as a family? If you need gear for that, that adds up as well; even hiking boots are expensive when the little buggers outgrow them every year.
- Music: DS has really gotten good at his instrument and wants private lessons, so we pay $35/week for that. We are lucky that the school provides the instrument free.
- School lunches: ours are $3.10/day. I don't pay for that, because they're crap. But I still have to buy food to send with them for lunch, which definitely involves more pre-packaged stuff than I'd prefer (yogurts, string cheese, etc.). YMMV, of course; if I just sent them with leftovers or PBJ every day, there wouldn't be a difference. Of course, I also wasn't allowed to send PBJ for many years because of peanut allergies, which required more expensive options like sunflower butter.
- Clothes: we shop at Kohl's/Target. Probably $600/yr total as a minimum for both kids, until they stopped growing. You can obviously do better.
- Camp: we send our kids to camp, both for daycare and because they really love it. Our Y sleepaway camp is around $800/week; the daycamp runs about $2500 for the summer. We also have local, publicly-run sports or music camps that the teachers are always pushing, which run anywhere from $100-200/week for part-time days; there are a few that focus on stuff my kid loves, and I would totally send him if they ran at any more convenient hours. You can do a little work and figure out what camps near you cost, if that's something you're interested in.
- Phone: don't get me started. DH insists that we all have iPhones, so he gives his kids his hand-me-downs so he can justify getting himself the new phone. You can and will obviously make a much more reasonable choice here. But the reality was that I wanted my kids to have some kind of phone by about 12-13, because they were getting themselves to and from school, and that way I didn't have to be there. The phone gave my kid more freedom while still giving me the ability to check on them, and that was a benefit to me.
- Driving: our insurance went up maybe 50% when we added a teen driver, even with all applicable discounts (we did limit her to one car, though, to limit the impact). Ugh. Your insurance company should be able to estimate that for you.
- Religious stuff: my kids go to Hebrew School, which cost us probably $1200 or so for a bunch of years. When they got old enough to be an aide, they did, for $4/hr -- but we still had to pay $100 or so to register them, and they wanted to go to a teen class that cost a couple hundred bucks or more.
- Allowance: as the kids got older, they wanted to hang out with their friends at the local ice cream shop or pizza parlor. I let them do chores to earn the money, but that was still probably an extra $50/mo that I hadn't anticipated.
- College: all I can say is run an "estimated cost of attendance" calculator at any school you might be interested in sending your kids to based on your anticipated 'stache and income.
I don't expect that you will pay anywhere near what we do for any of this, btw. We are older, already FI, and still working for a number of reasons, so we have plenty of free cash floating around, and it makes me happy to use some of it to give my kids these opportunities. But that's sort of the point: it's not really going to help you to have 50 people weigh in with what we think is a reasonable estimate of future kid costs, because the only thing that matters is what you are going to want for your kid. So make your own list of your kids' future needs/wants, figure out what kind of activities you want them to be able to participate in, and then do the research to figure out what those cost in your area.