The measure you're looking for is Cash Flow.

Account Closed mentioned, the technology itself has been proven in a different market -- we have existing deployments by international brands in retail who are using our technology mainly to measure shopper engagement with various displays and alert on out-of-stocks, etc. 

Accounting is how I measure the results of my investing strategy.... but, that's just me.

It might be time to go looking for a more business-friendly bank.If someone has your account number, they MAY NOT withdraw from your account (unless your bank does not have any security measures in place).I have a separate bank account for each building that tenants deposit into each month and I typically have a large balance in them to pay taxes, debt service and other monthly expenses, and I don't have any worries about those accounts being drained by some unscrupulous tenant. 

Not really a measure of profitability but more comparative.

Without extremely close tolerances here the main floor elevation, a regulated measurement of the permit, could be off.

The 1% rule is a valuable tool for filtering out potential options in the real estate market, but it should not be used as a one-size-fits-all measure of return.

CAP Rate is the measure for commercial properties, but you cannot do a whole lot to a 5-10 unit building that will dramatically impact the value other than simply raising rents. 

They go by the date the house was constructed no one is going to go around and measure everyone's bedrooms to make sure they qualify under the new code requirements for bedrooms.

I am wondering what type of security measures have you taken?