One of the biggest factors in successful flips is building a strong team: contractors, agents, lenders, and property managers. 

I'll also second comps are your biggest tool to get the most accurate revenue number.

Thats not my model and homes at that price point havent penciled out for me but im very much doing BRRR in my market with properties that do pencil. we add ~50k-60k of equity per BRRR on properties around 200-230k ARV  You can definitely create equity in D.C. though the 200k listed above is highly unlikely, the biggest issue is at those price points you are deep in the red cash flow wise after refinancing. 

People appreciate the balance of affordability and livability.What’s been the biggest hurdle for Orlando in pushing these types of projects forward?

Like "Biggest single family propetry management mistakes ever" etc

Last year January MN enacted the biggest # of changes all were added details and raised the bar of requirement for Landlords, including some specifically detailing how a listing must be detailed.

But by the the biggest issue is PRICE.

Looking back on your earlier projects, what were the biggest mistakes or lessons learned in securing funding or managing build costs?

Vacancy hurts a bit more, but the biggest issue with renting out large homes is turnover cost.

One of the biggest time sucks can be finding & screening a tenant!