The foundation problems happen in the DFW area when the soil is not kept at a constant moisture content. 

Hello Will,I had a tenant that kept his dog in a small closet with wood floors and dry wall with baseboard.

., how close to the prop you are valuing. write down 6 or so if possible, don't count the highest and lowest, add up what's left and divide by that # to come up with an average price per sq ftlAlso need to look close at ones that have been fixed up, difinitely not a cut and dry process, but another tool.

Dry out interior, remediate all mold and demo where needed3.

Just caulked it (dry spell) we'll see if it holds.

Perhaps in the future, you instead just give a plate of cookies, a dried soup in a jar that's colorful and pretty (I did this for tenants and my own neighbors), a Christmas ornament, or something along those lines.Also, I'm willing to bet that your Tenant A needs you to deposit checks quickly because that's how they budget.

Reading non-fiction is more entertaining to more people than non-fiction, fiction can be exciting, non-fiction can be pretty dry reading.   

So many factors can affect a parcel's value including topography, soil quality, zoning, history, utility access, road access, shape, etc.

Well, at first glance it appears to be human excrement, BUT the bowl on top of the tank indicates that a person has "created" a mess by filling the toilet and mounding it up with soil from the backyard, which explains the bowl used to transport it into the house.  

Because good supplies dry up.