Rent control laws are market specific.

Wynd detectors are usually good for air quality, their effectiveness specifically for detecting marijuana smoke can vary, as they aren’t designed solely for this purpose.

In Florida, land trusts offer some unique benefits similar to an LLC, such as asset protection and anonymity, which makes them especially appealing in creative real estate deals.While LLCs are often more widely used because they’re familiar to investors and offer clear liability protection across multiple states, land trusts can be highly advantageous in Florida due to the specific protections our state law provides.

Do you know if it is possible to have a tax deduction for interest/profits earned on promissory notes/PML?

On the flip side, inventory tends to be lower so it really depends on the inventory level in your specific market. 

This is highly specific to the loan product and the lender.

Also, the sooner you can plug in actual numbers rather than projected, the sooner you can determine whether specific deals work or not.

Anonymity: What specific features of each state's LLC laws enhance privacy, and how significant are these differences in practice?

Perform a deep dive research into all legal aspects of the specific investment.  

The #1 way real estate investors defer taxes to later dates is with a system called depreciation and bonus depreciation.Depreciation is the act of slowly, over time, deducting the initial expense of an asset against your taxable income.Generally over a 27.5 (residential) or 39 (commercial) yr time frame.So each year you can write off a few percent of the purchase price against your income.