Demo the flooring first then do the measurement. 

The day you buy things with percentages is the day that makes sense as a way of measuring.

@Jesse Dadon it's all relative, really...the issue is that the metrics you are looking for are impossible to measure on a large scale...people use this terminology a lot, but your ROI is location and asset specific.

That's why results-oriented professionals will refuse to work with your website until you satisfy Google's 90% rule.Google's 90% ruleGoogle shows its 90% rule when you measure the speed of any website:Let me translate the rule into human language: "First, speed up the load of your website and get your website visitor retention to at least 90%.

@Lionel Miller, hi and welcome to BP.As with any business/investment venture, priority #1 should be to establish a goal and measurable steps to achieve it. 

@Robert Leitner I just had two full appraisals done, where the appraiser enters the property, measures, takes pictures, etc.

He ended up needing to buy more materials because he didn't measure correctly in the beginning.

Use that why to help define your goal which needs to be measurable and time bound (i.e. buy a rental property before the end of 2021 that provides a 10% CoCROI).

There are preventative measure that can be taken as well but at the very least, get the annual inspections. 

He did not take any measurements, didn't take any notes about where we wanted things to go, said we were being too pushy when we asked for references and proof of insurance, and flat out refused to give us a sketch/plan of what he would be doing.