Thank you very much for the links, they are indeed actionable plans and I will certainly follow through as advised. 

I am in the process of buying another house which I plan on moving into some time in January 2019 and make that my primary residence.

Phillips area) and plan on relocating within the next year.

I have been planning to scale my business in 2019 and start looking at purchasing once a month every month.

A lack of future planning is the source of that problem, not Amazon.

Depending on where I buy the unit, I may be planning to occupy the unit for the shortest time possible then rent out all of the units.Any additional advice is greatly appreciated regarding best places to find listings for what I’m looking for, a good real estate agent that’s investor friendly, good markets to choose from to generate cash flow, cash on cash return, etc.Any information is welcome and I‘d love to hear what you all have to say.

Secondly, having little experience in the field I plan to pass the underlying numbers on to someone more experienced to look over. 

Which is best when planning to scale into a large apartment portfolio?

That indicates that you are looking at a 1-4 unit property that you plan to owner occupy.So therefore things such as the expected rents and expected expenses will have zero to do with valuing the property. 1-4 unit properties are primarily values based on comparable sales.Now id this is a 5+ unit, then you are looking at the wrong type of financing entirely.Also, if you are using a low down payment, expecting cash flow isnt really something someone should expect. 

I needed a plan for retirement.