My issue is, I have not found a simple way to record the breakdown of the rent into these categories.

I'm thinking of mailing a letter to all the landlords address's in the area off of data on the county records.

This is one reason it’s important to really understand the stateIn Georgia it is strongly recommended a modification gets recorded as if the deed of trust has expired and not foreclosed on in seven years it reverts to the borrower - even if you did a mod and extended the date - make sure you record it.Statute below: The doctrine of reversion, as codified at O.C.G.A. § 44-14-80.

If so, you would have needed some binding easement recorded easement/use agreement. 

I started investing before the pandemic and the record low interest rates and I had no issue finding a deal that cash flowed well.

In my case, I have my rental property for like 1.5yr, and underwriter from the HELOC lenders (I tried two different lenders) need me to provide a record of 2 yrs rental income as my DTI is high at this moment.

Hi,I landed a wholesale deal and would like to use the money to subscribe to a service that will allow me to pull 10,000 records a month or so....

Wholesaler who found me through database records.

We can easily cover the mortgage with our W2 income and we anticipate we will cover the mortgage and then some with the STR income (it has a track record of this with current owners and also comparing data from surrounding comps).

@Charles Carillo raised one issue.The other is attempting to save money on transfer taxes by purchasing the business via an unrecorded agreement rather than the land via a recorded deed.