the reality is you have negative cash flow when properly estimating the expenses on the 3 rentals (no way 3 rentals have $1300/month maintenance/cap ex, pm, vacancy, and misc total (basically $433 per property).  

Unable to estimate appreciation potential because it’s brand new and no room to add on or make improvements, but over time I do think some appreciation due to prime location.

There is a banner on the top that states "Listing cannot be published without a Zillow Advertising Contract," I filled it out but have gotten no email confirmation or estimated time of completion. 

After we build the structure, is there an general estimate of how much the property/house will appraise for when said and done?

Just to use as a starting point to estimate costs?

In terms of running numbers, I find that using Rentometer's LTR estimate for your location plus 30% is a good number for right now.

Using my knowledge, I estimated the remodel cost, Found the estimated Resale value using comps.

Do you know how to estimate rehab costs? 

What would you estimate the additional labor hours to be annually for reading, processing, etc?  

My estimates were much higher.