I see this a lot after 2008 and I think is mostly based on a few misconceptions namely:1) Many people confuse money markets which are backed solely by the short-term instrument (normally commercial paper) that they invest in.

All that this guideline is for is to make a conservative and average assumption of total costs during a long period of time while holding rental property.Not only is the horse dead, he has resurected and then has been beaten to a bloody pulp and killed again.I agree a rule may suggest fact, and I see Bryan's point to "protect" newbies from any misconceptions, but to get all to change the name appears to be futile.

So instead of collecting 800 for the unit i collect around $1560down + $800'normal unit' upstairs for $2,360 total (varies with vacancy) HUGE MISCONCEPTION!

The reason behind this is risk requires higher returns.A common misconception. 

Owners in foreclosure can have all different kinds of fears, ideas and misconceptions about what to do.

Also it's a misconception that rents would just skyrocket if there were no rent controls.Most landlords don't bother hiking up rents each year. 

It's unfortunate because that is one of the biggest misconceptions held by the public.

A search of "cap rate" right here on BP will show the misconceptions surrounding cap rate.

It's wise to purchase your real estate through an LLC but there is a misconception owning real estate reduces the risk of a lawsuit.

The increased income from paying down a mortgage is a misconception as you are actually decreasing income due to lost income the equity could be generating elsewhere.