Just like the stock market, nobody can predict when it will go up or go down.

They charge a flat fee per bedroom so it's always predictable. 

Let’s say you were 30 and could choose between $1M in stocks/cash, whatever.

If you're using regression to predict how much a market would appreciate by I think that would be a much easier regression task then predicting how inflation would increase the price of a gut rehab (increased parts and labor prices due to increased cost of manufacturing and increased cost of living respectively). 

Instead, buy some Altria (symbol "MO") stock, which has 58 years of steady to increasing dividends, and is yielding around 10 percent.  

The coastal market seems to be the hardest to predict with no experience.  

Unfortunately but predictably, the Sheriff would not remove the occupant, though the deputies were very friendly and went as far as to reach out to the state attorneys office for guidance.

That's stock market good. 

The unit is equipped with a stackable washer and dryer, Well stocked with towels, sheets, pots, pans and toiletries.

Both 12-month + month-to-month and 18-month leases have their benefits: 12-month leases offer stability with flexibility afterward, appealing to tenants who prefer shorter commitments, while 18-month leases provide longer-term stability, attracting tenants seeking predictability.