Obviously all that is ideal and that is the timeframe we would love to get everything done in.

Don't get me wrong:  cash flow is still an important factor, it keeps the lights on, it pays for repairs and upgrades.

Their contribution depends on factors like local demand for ADUs, their design and size, and how they’re used (e.g., rental income potential).

Thanks in advance for any help.At least a few forum members have used the Plastiq method to purchase the entire property but to me there are some important factors.

Investing locally would be ideal for sure.  

In the burbs this is less of a factor, in the confines of the city it’s a surprisingly effective rule of thumb

Most (not all) HELOCs require that the property is titled to an individual (not LLC) and are full doc, meaning your employment history, income, DTI etc will be factors.

Not even Balance Sheet.I don't know if they changed their model since the change of subscription plan but it isn't ideal to use it as depreciation or amortization.They do have a balance sheet. 

Vacancy and maintenance factors should be higher than for Class A or B.

Its not ideal.