The one I use for WI has some nasty sounding legal language which I think would help counteract a tenant's desire to not pay the last month.

Mom and Pop and arm chair investors will not be able to counteract dishonest tenants. 

Your rents seem to be above 2% of your offer but your projections of expenses seem to be above the 50% level  These counteract each other.Also, your expenses do not include management fees.  

Is removing a problem if roots decay over time leaving a void?

A good way to counteract their possible doubt if it is your first deal is your ability to speak to the real estate terms and processes that wholesaling uses and break it down in such a way that anyone could understand it.Don't know if you have heard of this podcast yet but definitely check it out:http://buysellfixflip.com/podcasts/

Man created government out of the abyss to counteract anarchy.

Wether you like it or not, the house is slowly decaying and falling apart(you even get a tax right off for it, depreciation), everything does, stopping that from happening faster or remedying the problems enough to make it last longer or still be an acceptable dwelling,  is the value you add as a landlord.I hope my reply added value to this topic?

I put those in the basements of my multifamilies, though physically moving them is getting intimidating as I decay.

We cracked open the door and a decaying odor smacked us in the face like a sledgehammer.

Needs major work, structural issues, extensive rot, decay, fire damage, foundation damage, etc.#1 issue, you need to know value of the subject house and the neighborhood values.Mostly I like first and second above and steer clear of #3, but thats just me.