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

We offer a $200 referral fee, and have been considering increasing it. 

- The same can be said of high percentage increases.

Or is it calculated daily and the base rent increases after 10 days when the late fee hits the account?

Our auto coverage is now at an increased level so if this happened today it likely would not result in any involvement of the umbrella policy. 

A prior cost segregation study increases the depreciation taken during the owner’s lifetime, lowering taxable income each year.

When you pay cash for a $400,000 home and rent it out, your rate of return will likely be less than 6%.You could invest in stocks and earn 7% or better.You could put the money in a high-interest savings account and earn up to 5%.I don't understand why anyone would pay cash for real estate, erasing many benefits that increase the rate of return, while exposing themselves to the risk of loss (turnover costs, bad tenants, capex, etc.). 

It’s worth considering the trade-offs between the stability of income and the increased oversight and hoops you'll have to jump through.

So is it equally illegal when the large landlords drop rental prices in a building as vacancy increases and the market softens?

These increases will likely slow to pace more in line with inflation.