Are you expanding it into other territories (aka niches or complementary businesses).

These are usually large firms with national presences and usually do a fine job. 

Most of the ones you will find on BP and that someone listed above will be multi-family because there isn't a big commercial real estate presence here. 

People will think you're the fraud, asking for money without taking the time to be serious about your presence here.

Of course, I put in 6%.As far as your other questions, you are way beyond the scope of an investor and deep into accounting territory.

Their presence in the calculators is merely to assure you will make a profit over time.

The city hall is sitting on prime territory in downtown overlooking ladybird lake.

The strongest argument to me, for being on both vrbo and Airbnb, is that every now and then you might be delisted due to a guest complaint or something else hidden cameras or discrimination or something else) and have no presence suddenly. 

Mistakes come with the territory.

Worst case scenario is that we're seeing clients be negative on cash flow, but move to positive territory when you take into account depreciation.