You can certianly achieve that goal with that cash flow, but you can't always look at the cash flow when analyzing a deal. 3 most important rules of RE: location, location, and locationBuy in solid areas, have some room for cash flow and keep trying to reach your goal. 

I'm about to begin my journey as a commercial real estate developer by constructing a 20,000sqft building in Georgia.What do I need to know about analyzing sites, pricing development, planning build out, getting tenants, etc. as I get into commercial real estate development?

You have no capital, no credit, no purchase contract, no experience in analyzing deals, and no special knowledge valuable to investors.  

I have working capital, a solid understanding of how to analyze properties and the rehab process, and I am great at design.

Analyze properties, submit offers, and close on the deal. 

I would continue to learn and start analyzing deals in your market.

Stop analyzing and pick one. 

BiggerPockets also has a calculator you can use to analyze deals and I highly recommend you start this as soon as possible, even if you are not ready to buy.

But then two of the investors I worked with analyzing this deal discovered an engrossing revelation…Included in the documentation letter contained an appraisal report assessing the property at $610,000.00!!

Run a soft credit report and not a hard credit report; the soft report will not affect your credit and we can still analyze your scenario and properly advise.