In fact we have a 3-Day Developer's Academy that we conduct once a year, most recently this past summer 2018.Please feel free to PM me and I'll give you some quick insight as to a high-level approach (as in the 30,000 foot view) to what you realistically need to do to determine if it's feasible and how to do some financial forecasting on the "back of a napkin" to see if it makes sense to move forward.Please note that Developing a Self Storage Facility from the ground up can certainly be lucrative. 

A few parameters to use after drilling down into an MSA in order to target a specific neighborhood...Trulia - See what the local crime is likeCity-Data - See what the income levels within each neighborhood.

I know my comps and my markets very well, I have a great construction ability, and I sell well, so my comfort level is based on my personal experiences with real estate, and my personal expertise...

I do have experience with both flips and rentals for multi-family and single family so that should definitely be a plus going forward for my business partner and I as we take our business to the next level of investing.

So, it would help to know:- where you are- where you intend to invest- what your comfort level is investing here in the US, if that's your plan

Understanding the neighborhood and the level of upgrades it can sustain.

The carpet has been soiled and they hired a carpet cleaner, but some of the spots are coming back. the wood floor on the first level has also been scratched and their is a slight urine smell.

After that, I kept my expenses lower than my income, reduced my workload to human levels, took many small trips, several large trips and cared for my grandparents until their passing. 

I tell prospective renters, "The sound travels very easily between levels.

@A Xiong I don't know your experience level, but based on the fact you asked about "how to find renters", I'd say your first move is the read a real estate investing book such as 'the book on managing rental properties' by Brandon Turner.