I have found the simple (not free) solution is to have a good business insurance (General Liability) because it covers legal defense and many other things about your business, including injury etc... 

Indoors = no noise, no construction traffic, no hazards to public, no run-off, no overhead, no-temp. facilities, no injuries, no supervision, no crews, none of my active participation. 

I realize that Ms Liebeck was hurt and that she had serious injuries, but seriously was MacDonald's responsible for her putting the cup between her legs and spilling it?  

Our clients range from individual part-time landlords, to the largest professional property management companies in the region.Our law firm also handles the following areas:Multifamily / LandlordEvictions (Residential and Commercial)Lease (Addendum) Review / DraftingResidential Real EstateCommercial Real EstateAd Valorem Taxation LitigationPersonal Injury Defense/Premises Liability DefenseCivil LitigationMunicipal/Code Enforcement IssuesThe Cweren Law Firm is dedicated to providing quality value-based legal services with a goal of establishing and maintaining a long-term business relationship.

The LLC may help a little if it is and has been properly created and properly administered but if someone dies or gets a serious injury, one way or another the LLC won't keep you completely out of harm's way. 

However, if anything ever happened involving a fire, and there was property damage or injury, we would be on the written record stating that we were aware of a problem, and chose to do nothing about it.

My research concludes that a clause in a residential lease requiring the tenant to be responsible for snow removal of any common area is unenforceable and in no way releases the property owner of liability in the event of an injury.

I had a pretty bad medical injury when I was 54 and I am still recovering.  

Add in average cost of defense plus the likely payout on injuries and if that is higher than your policy limit the company is going to pay out to the limit of your policy and walk.

A person walking on the roof will add a significant amount of weight to one small spot, increasing the risk of structural failure and personal injury.