Line up the roof and the hallways so that if you add on that you don't screw up rooflines and hallways.
I can't add on to my garage with out screwing up my roof line. to make it worse my roof is tyle. that has been discontinued. $40k worth of roof would need to be replaced to add on!
They have 14 pallets left of my roof tile. I might need to buy some to store.

I have some home plans books if I didn;t toss them. I was going to build but I couldn't find a lot in the area. pm me your address and I'll toss them in the mail
California now reguires fire sprinklers and non wood burning fireplaces for new construction!