Not the GP, but all of the above is true. There's a warped "coastal 9.9%" perspective on having children where someone in the Bay area working at FAANG on princ

Not the GP, but all of the above is true. There's a warped "coastal 9.9%" perspective on having children where someone in the Bay area working at FAANG on principal level told me they cannot afford a 2nd kid because of how much private school/bigger house/... would cost. There's also the model the rest of the world uses, and probably "normal" people in the USA too, where you share a room with your siblings, wear your older cousin's clothes and then pass them on to your younger sister when possible, etc. ;)