You are correct that they are strict about the 25% rental concentration rule and purchasing in a place that either already has a license or you know you an get one is key.

I’m concentrating all savings with taxable investments.

This will then free up their time so they can concentrate on implementing their bigger picture vision for the company.

Concentrate on getting 5 star reviews on these bookings.

These are the types of features that travelers value and are willing to pay for.Another strategy for finding strong locations for STRs is to look for neighborhoods with a high concentration of short-term rentals.

I realized early that I should concentrate on working with investors.

I'm hearing these areas are heavily concentrated in the south east and wester regions, but would like to verify. 

If you begin to develop relationships in the area you concentrate on you will eventually be someone they reach out to.

Capital concentrating at top to a degree that bottles of whisky going for millions while at lower strata and the ever deflating middle-class claw-away for cost of living. 

Use the cash flow from all to concentrate on that one till it brings it down where the principal portion of the payment is substantially bigger than interest payment (70% or 80%+, but that depends on personal preference).