They could also fix it on their own (as some of Scott's buyers do) , increase the value and sell it at higher price than bought, pocketing the difference. 

Diversifying geographically can also reduce risk and increase long-term returns.For example, there are several markets across the U.S. that are ideal for new investors because they offer affordable entry points, reliable cash flow, and strong economic fundamentals.

These modifications are carefully crafted to incorporate ADUs seamlessly, aiming for a delicate balance between increased urban density and sustained neighborhood character.

But, for instance, I sent them a notice of rent increase effective February 1 and needed them to confirm that they have accepted the new payment terms through our electronic payment system, and even after repeated notices, they are not responding.

The margins are tight which increases risk.

An experienced property manager should minimize vacancy, increase income, and have connections with contractors and other professionals to manage your property well to maximize your return on investment.To Your Success!

Prices have increased (higher terms/rates) as the fed rate has gone up so you have seen people who could get 8 or 9% now in double digits.

Though I expect that to increase in the future when more ADUs are constructed.

Those fees add to the price of the property and many companies choose to cut other areas like renovations rather than increase the value of their product.  

Who cares about lifetime interest costs, except to the extent you can easily lower them (refinance to a lower interest rate) to increase your cashflow.