May be easily rectified on your part. If he experiences inconveniences during inspection, he is generally to be "turned off" by that property.
Be aware you don't cut too deep as an example if there are pipes or wiring behind the wall. Showers and bathtubs are standard culprits of water damage. https://Faq.sectionsanywhere.com/87254/bathroom-tile-installation-dont-choose-this-mistake