My family is very similar. We aren't quite paycheck to paycheck, but things feel a lot tighter than they did before - we make 190 ish combined, which ends up being about 9k a month. We have one paid off car.
Mortgage - $2500 Utilities - $800 (electric, water, plain Internet and mnvo cell phone plan) Daughter's school - $1200/mo (obv this is a "non essential", but it's pretty cheap for a year round private school) Prescriptions - $1200/mo with insurance (although this usually comes in a single lump in January. Insurance also refuses to cover a few essentials which we pay out of pocket for, about $100/mo) Student loans - $800/mo
Which leaves us with around $2500/mo for entertainment, car/house repair (it's 40 years old and needs new things like a roof or hot water heater from time to time), groceries, any vacations, etc. My wife and I both have chronic conditions which are exhausting to deal with so we get house cleaning for $300/mo as well.
We are doing fine, but it seems like an exhausting cycle to try and build savings, and if we ever had to buy another car I don't know how we would swing an extra $500 payment every month, with what it seems vehicles cost these days.
All this to say, while we are ok, I have no idea how families making under 100k get by.
Rimworld is probably the closest thing to that right now. Watch your village starve as their clothes wear out and they get frostbite.
Or dwarf fortress if you want to get medieval