I believe that being able to see non-obvious value adds is a great skill that can be improved by seeing it in action. 

I have a CGC license and a inactive RE Sales License.

Location of oil tankCesspools - active or inactive, condition Electrical system - knob and tube?

Any in-ground tanks (active or inactive)2.

Your status is inactive.

One investor I know actually 1031 his properties that cash flowed well, to properties of even higher value but don't cash flow much, to get the higher appreciation because they already make several hundred thousand in active income a year, can't see the logic of paying even more in income taxes.

While this may be true, buying real estate to house your business, as opposed to renting, can have a significant material impact on your return from the business and on your overall wealth.To see this concept in action, consider the performance our hypothetical retailer: the Speed Shop.

Jerome,Here are some things to look for from an Insurance prosective: Any in-ground tanks (active or inactive)Any Knob & Tube or Aluminum WiringIf built before 1978, does the building have Lead Safe certificationsAny wood stoves or secondary heating units.

Hello BP.  I recently passed my Real Estate Salesperson state exam and I have yet to choose a broker to 'hang' my license with.  The whole reason I even made the effort to take the course/test is so I could get comfor...

They are either active, poorly managed and become inactive, or they are purposely discontinued.