I am using an off market property database software but it isn't consistent bc this type of asset is classified differently by county. 

Some landlords find themselves in a precarious situation when their rental properties consistently generate losses, leading to financial strain.

The renter clientele is much more consistent and typically the appreciation is as well so it makes for a more passive investment.

Your household names: Ernst and Young, Deloitte, KPMG, etc all offer audit services, as do your regionals like Grant Thornton.A full audit will typically consist of spot checking everything from invoices/receipts tying out to specific checks paid by accounts payable, and down to leases being input into the system, and tying rent payments to cleared checks.  

What I've learned with this structure is to ensure the you are consistently paying down on principal, or you risk the bank eventually calling in the note, or asking you to restructure. 

If not you can use a bank statement program if you have consistent deposits into your business checking account.  

When I rented myself, every lease renewal there was an increase, as small as $40, but consistently every year.

Moreover, I’ve noticed a concerning pattern where the agent consistently failed to secure homes we bid on previously, despite my trust in her expertise.

Now you are hard pressed to find anyone decent and none of them has significant systems in place to provide reports and consistent services.

Many people like Real Estate Investing because of its potential to spit out cash flow on a consistent basis and the McDonald strategy has been super successful because of the super successful products (food) that the company offers.