So, fees and interest isn't the whole story.Point is, the terminology is very fluid and changing.

@John Oberlin I work in power development and we do access and transmission/gas agreements with landowners all the time.

The portfolio is very fluid.

Get 2-5 quotes and go with it For the same reason Jiffy Lube brings up transmission flushes to women more than to men. 

Population move +/- is fluid.

The curb appeal of the home is the FIRST thing prospective buyers see and nice landscaping and decorative trim along with multi paint clors and nice stucco can make all the difference in the first impression.Also, I often move or demo walls to create a more open and/or fluid floor plan.

Money is fluid so it doesn't matter where the money comes from passive or earned, it's still income in your pocket.  

Those categories are very fluid and multifaceted, and like everyone else said, there is no one answer.

You never know what cockroaches, flees, or body fluids are absorbed into it...and on craigslist they are free->$100.

Now the big difference that is very important is the transmission mechanism in how the government spends money.