Just Gen-Z; don't you think all Gen's might be effected by these same forces?

Then I would either go to your GC with the info, or go directly to your subs (licensed electrician etc.) with the info.

It's a website. 

I have watched her grow her business since the beginning stages.

I agree with the others. 

Trying to get a split level (not a lot of sqft) on the market in the next three weeks and trying to decide on whether to open the wall between the dining and living room for a feel of openness or leave it as I have heard from two interior designers that the open concept is on the way out as we are more at home and liking our separate areas in the home.Pragmatically speaking the opening of the wall will be mostly a time drain with it being a load bearing wall and having to support the ceiling while rebuilding and all the drywalling necessary.

We could build larger, but there will be less Buyers and the home can potentially sit for longer and holding costs get expensive.Not saying building larger is wrong, but just giving you our reasoning for our home size.But I do 100% agree with you. 

But what are the actual returns on the investment? 

I don't have an answer, but now I'm following this.

Lots of DC area investors and pros here on the forums.