As for SFH, the supply has dwindled down and we are seeing strong demand.

What are some tips of determining the supply of rental properties in an area for someone with out a real estate license and wants to do the research?

Did you look at comps and do a full appraisal rebuttal with a written narrative and comps supplied to compare the ones used or in question? 

Divide the current number of homes for sale by the quotient from step 2 and you'll get the month's supply of homes. 6 is considered a balanced market.

Foreclosure with ample room for added value as a rental of flip How did you find this deal and how did you negotiate it?

Listening to ample BP podcast's, BP Rookie podcast's and specifically reading David Greene's 'Long Distance Real Estate Investing' has really enlightened me to the necessary steps needed.Through my limited amount of time living in the US, I haven't built substantial credit to get conventional lending.

When Covid-19 hit, the banks raised their interest rates as a response to supply and demand.   

Less money spent on supplies, less wear and tear on your place, less money spent on utilities, fewer guest headaches, etc. 

Your going to supply 12/24 months of either business or personal bank statements and they will use the gross deposits/months.  

There is little to no supply and everything that gets listed is under contract within a few days.