Lastly is your listing details; they read with all the story telling and excitement of a furnace repair manual. 

As those prices fluctuate, there is a builders somewhere putting his feet up waiting to see a market turn more active because the last thing he wants to do is start paying crews to build houses, that could drop in value while he's halfway through the build process and losing equity halfway into the project.

Perhaps your #6 of repurposing commercial in to multiple small residential units is the best idea I can see in SA as it has had way too many Single Family rental homes added the last few years. 

:Class A Properties:Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Vacancy Est: Historically 10%, 5% the more recent norm.Tenant Pool: Majority will have FICO scores of 680+ (roughly 5% probability of default), zero evictions in last 7 years.Class B Properties:Cashflow vs Appreciation: Typically, decent amount of relative rent & value appreciation.Vacancy Est: Historically 10%, 5% should be applied only if proper research done to support.Tenant Pool: Majority will have FICO scores of 620-680 (around 10% probability of default), some blemishes, but should have no evictions in last 5 yearsClass C Properties:Cashflow vs Appreciation: Typically, high cashflow and at the lower end of relative rent & value appreciation.

Through your local bank that you are using, are you reapplying for each new home for a seperate construction loan or are you setup as a credit line with them and just submit a new budget for each new home 7 mil credit line  ... new budget for each plan that has been pre appraised in the MAI at the beginning of the project.. they did have to update the Mai last summer but again did it at their cost not mine.. banks have to paper their files.. even though we are selling the same floor plans for 100k more per plan than the original numbers came it at and bank has been paid and has all the closing statements showing this data..

Last thing to look at (and right out of the pages of our client's own experiences) might be starting a transition of wealth in the form of using 1031 strategically to purchase property that your heirs live in until you pass and they inherit. 

After buying the property, I also still have $12k in stocks that I plan to use as a last resort.

I've used to it myself to analyze all of the 35 units I bought over the last few years and personally talked to 100's of other investors who've analyzed and closed on great deals using it.I'd love for you to actually try it and would be happy to receive and incorporate any feedback you have into future releases.

I think by waiting to last minute to put things together you miss items and year end tax planning becomes problematic.

New drive up units have almost doubled in price in the last 4 years to around $4,100 erected; not counting land and other costs.