One way we stretch our existing budgets is to get attic exemptions. 

I do believe that in certain markets you could start a business just around making homes green for existing owners, everything from a simple audit thru a total remodel.  

You do not have access to the interior of the property, are subject to existing liens other than the one you are buying, need to understand if you are purchasing a first or second lien position, and you are subject to living with existing leases if one exists. 

The supposed extra protection is largely non-existent. 

My rental insurance company did not cancel my existing policies but will not write new policies.I also flipped houses. 

My knowledge level is light years ahead of where I was at the start of my project and my BS detector in dealing with contractors is extremely accurate.As a business owner I understand your reluctance in letting go of your existing company.

You can try to handle the renovation 1 unit at a time and move the existing good tenants to the new renovated units (always sign new leases and make sure to re-screen the tenant).You may be trying to over renovate the property for the area especially since you are at the top of the market on your current rents.

Part of running the new gas line was removing the existing underground tank.

Sam , do these still exist?

(d) A public or private supplier of gas, sewerage service, or electricity shall not impose a lien against real property to secure unpaid charges for gas, sewerage service, or electricity unless the owner of such real property is the person who incurred the charges.But the water company doesn't like the law, so they pretend that it doesn't exist and I've had them tell me in my face, with me bringing the law in, that this doesn't apply.