If your lines are indoor in well-insulated space, I'd still go with the higher R-value stuff- why not spend a few extra bucks if it'll help reduce the risk of freeze-burst damage, which can be extremely costly?

I visited some folks near Phoenix that moved from here, they bought a very nice double wide and the park was a bit of a country club, golf, tennis, indoor pool, pretty nice, except they had no grass.

Someone on here did a spiral staircase indoors that looked awesome.  

I would avoid having any open non-vented heating sources as they can have severe poor indoor air quality and fire potential.

All that remains are some random pieces of indoor and outdoor furniture and some boxes and the like. 

I need some help though.Here are the high-level details: 
- 5br/4ba - 4100 square feet - indoor pool/sauna/gym etc - 3 fire places - on a lake - appraised at $750,000-800,000

It is at Bridges Bay on East Okoboji and is in the condo building with the attached indoor water park. 

If wholesalers would only learn how to get on title and be an owner and then do whatever they want to their Cash BuyersMany trainers of Wholesaling courses just say you got an indoor assigns or an assignment and you're good to go no matter whatMany trainers of Wholesaling courses just say you get an "and or assigns" or "an assignment" and you're good to go no matter what,  all you need to do is tell the truth to the seller!

My professional background is in residential Energy Efficiency consulting, so I am familiar with retrofit projects as they relate to occupant comfort, improving energy bills, improving indoor air quality, and health & safety.

Better yet, try finding an inspector who is familiar with efficiency/indoor air quality - I'm sure there's a few out there.