Here is how I solved it (hopefully, this will work for you, too): Start with a standard height hollow core door.

The goal of any marketing campaign is to catch someone at the right time who has a challenge or want that is solved by the solution you are offering. 

All of the other issues you mentioned can be solved by lease clauses. 

That doesn't make it right and they should pay for what they use, but keep that in mind before spending a large sum of money to solve a small dollar problem.An easy option might be to disconnect the ground wire from that specific outlet for a period of time. 

I compiled a list of few, but would appreciate if you could add more to my list, so we can enhance our tool and help you solve these issues.

Adequate cash reserves will solve most problems.

If your not solving problems, what are you?

Communication and reputation are key to getting deals accepted. 9 out of 10 deals use agents according to title company records, and FSBO/off market deals without agents involved are actually where the majority of litigation occurs, because they're often a complete mess, so I think anyone saying agents aren't needed is living in Lala land personally.Most that say agents are not needed are knowledgeable investors and they probably dont need an agent.. but the civilian buyers out there who may do this a few times in a life time have no clue.. they dont know what they dont know. 

They probably don't have any clue how much water and power costs so they'll be happy when they're actually going to be paying more.You see, if the utility prices remain high, you're going to save $200 per month ($300-100) and if they drop back down to normal, you'll be saving $50 ($150-100).

What techniques could I offer to solve this problem?