In my city, it is almost impossible to find a 3 BR apartment, let alone one without exorbitant condo fees. At that point, a 3 or 4 BR house is not much more and you own the land as well.

The problem is developers can make more building studios, 1, and 2 BRs, but anything beyond 2 BR the marginal return is lower. So if you have two kids, you're probably going to want at least 3 BRs, which is so prohibitively expensive due to a supply shortage, the best option is to buy a house.

Den or office? I mean really not a huge needed thing and I would happily just take a nook in a corner but some people need it?

Got to go old school and just put the office computer in the living room so everyone can enjoy the sounds of dial up

going to confirm. The easiest units to find are 2 bedroom, 3 bedroom are rare but not impossible to find and overpriced (you will pay almost double. To the point your wondering if you can get away with getting a 2 bedroom and a neighboring 1 bedroom because it might be the same). one bedroom and efficiency which they like to pawn off as studios (studios should have the space of a one bedroom without the wall) are common but bang for the buck 2 bedroom will get you the best price per square foot especially in relation to association dues.