There is a limited quantity and an agreed although fluctuating value.  

If you buy right, the fluctuations in the market do not effect you.

In the simplest form, you can look at long term historical pricing to see if/how long/how steady the history of price and rent appreciation is ... there WILL be some fluctuation as RE is somewhat cyclical and nothing ever goes up in a straight line always, but does the neighborhood and surrounding neighborhoods have a long term track record, spanning several up/down cycles of appreciation and rent increase?

That will give me a ratio of purchase price, rehab cost, and return to stay close to if numbers fluctuate.

You can also use beyond pricing on your Airbnb listing to fluctuate the prices and appear higher in searches.

No way to take advantage of exchange rate fluctuations. 

Doing so has been challenging because price seems to fluctuate quite a bit.

Seller is carrying back the rest at 5.75% (seems a bit high but no origination fees) on a 1 yr arm (he has one year left on his arm with the bank)...at which point the rate would fluctuate based on his bank loan. 

Also make sure whoever you buy from has been using a licensed servicer in that stay and not self servicing the loan Do you see note returns fluctuate with market conditions?

The average cash flow in the Bakersfield area is more along the lines of 6% although it can fluctuate up and down from there.