You should also look at the credit report to see why there is such a discrepancy between spouses.

I ended up getting beat out by a cash offer by only 5k discrepancy.

There are going to be discrepancies between a lower income potential tenant and a higher income potential tenant.

It gives me a small amount of joy to point out the discrepancy that they could have easily avoided by being truthful on their application.

Since land is subdivided and sold individually, but then shares boundaries with other land you can end up with completely reasonable discrepancies for survey work that was done decades apart on the same lot line.

Incomplete or inconsistent information on the rental application, such as missing contact information or discrepancies in employment history or references.Unwillingness to provide personal information or allow for background and credit checks, which may suggest they have something to hide.A negative attitude or lack of respect towards the property, landlord or neighbors during the viewing or rental application process.Too many occupants for the size of the property or a large number of pets, which could cause damage to the property and disrupt neighbors.

You have it set up correctly, but I think the discrepancy comes down to the somewhat confusing term "tripling your money."

See if you can get out of it if the inspector finds discrepancies. 

That would leave a lot of room for profit.title insurance covers discrepancies in the title itself, like unexpected clouds on title, not physical discrepancies.Home insurance ‘might’ be able to cover some of the issues. 

Take LOTS of photos to document conditions after any rent prep is complete, and document any material discrepancies on the Condition Form, which new Tenant signs at the walk through and gets copy of.Also, be certain you have the move-in Condition for the outgoing Tenant to document and compare the move-out condition and process SD properly and timely.