I am considering using a real estate virtual assistant to help me get some task done and close wholesale deals, current quote for services is about $11 hr.

This might be a reason for slowed growth. 

Look, I'm becoming overwhelmed at the task in front of me. 

This is a HUGE deal for delta, and will likely ruin real estate growth potential for a long period of time.On the other hand, there is a lot of profit to be had by renting to the salt of the earth people who work those hard jobs.

price growth vs. price level: is DC house much more expensive than PG, and capitol heights in particular?

Colombia is experiencing a period of strong economic growth.

On the left side of the doc are tasks/areas you should create specific systems around to delegate to VA's employees to free up your time to handle the right side of the sheet.  

Another driving factor that has limited the housing growth is actually the industry that supplies the valley with its largest source of jobs: the agriculture.

This city didn't start attracting younger talent for medical and tech until the late 90s and the growth has been slow and steady (up until recently).

I personally am not convinced that this level of growth in value can continue for several decades but it doesn't appear to be slowing down currently, so I am prepared to be wrong.