That's a fluctuation between $271K and $349K in the portfolio. 

I don't think the markets that fluctuate double digit percentages every year make for very good investments as there is always the risk of a massive drop off at any time.

Of course, all markets fluctuate in the short term as well, and it is a matter of hedging and insulating yourself from these short term fluctuations to get to the long term profits.

Also a neighborhood by neighborhood list as even zip codes fluctuate a lot. 

While I understand that many of these experts have perpetually pessimistic views on society and the economy, it is undeniable that the market has been booming at the highest rate since the years leading up to the previous financial crisis.I understand from ample research on BP that many investment strategies are relatively unaffected by market dips and fluctuations because they are not typically reliant upon appreciation.

Also, the rules of thumbs would fluctuate. 

We also know that rents can also fluctuate.  

You should start to see patterns and a range--A location sales selling well over 10x GRM and B- sales selling in the 7 to 8 range (this will fluctuate). 

I don't recommend to bank on this because of rate fluctuations.

markets fluctuate constantly..