I will add that oftentimes the fixed costs with installing any kind of pool (fence, pump, permits, excavation etc) are so high that the marginal cost of a plunge pool vs something more standard is relatively small.

And while it is not common that you find a $100k industrial building, it is also not impossible, depending on condition you need.But at a high level, there are a few factors at play: everyone needs a place to live.  

It's saturated now and management fees are high for STR, up to 25 percent.

Lack of experience or qualifications, poor communication skills, Inadequate screening processes, lack of transparency in fees and charges, negative reviews, high turnover, lack of proper accounting/financial management and unprofessional behavior to name a few.

Small duplexes in need of work appear to be obtainable for around the high-300s to mid-400s.

Unless you are planning a DST (not sure if SDIRA's can hold this type of investment) which is similar to high rate bond investing depending on the rate of returns. 

On the other hand, if cap rates remain stable and you sell at a 5 cap, you'll be ecstatic because you'll blow through your projections and post all over BP what a great deal you just did and why you are the best investor that ever lived.Now let's say that you underwrite to a 5% exit cap and you are satisfied with the forecasted performance. 

This is my second year attending and I highly recommend it for all MTR operators.

But based on a couple office buildings in the same zip code I pretty familiar with that rent seems high for that class of office.

Market is still affordable to get into and cashflow is actually still possible even with high loan to value properties.