How much will it cost to heat this place? Central air?
How much am I saving on the house because of the renovations it needs? If I get new electrical, will that add more value to the house than it costs?
How does the house smell?
What is the situation with trees? Healthy? Future root issues? Very expensive to chop 'em down.
Who are your neighbors?
How far will the wi-fi travel? Will I have to buy extenders? (Answer: who cares? This is a $100 issue at worst.)
Does the house back up to a busy street? Can I hear myself think over the noise?
Are there railroad tracks nearby? I'm done with that @#$%$# guy blowing his horn in the middle of the night. Next house will not have a railroad within 5 miles.
Is there an alternate way to work if there is a crash at the intersection of OnlyWayThere Street and YoureHosed Lane?
How long is the driveway? Zoning. Is there any possibility that this street could get changed by a zoning change?