Bylaws and rules can often be changed by the Board (depending on what the higher documents require), while the CC&Rs and Incorporation docs are intended to be more difficult to change and often require a vote with a super majority of all owners to change. 

Depending on the property and the level of care provided there, the residents pay $600 - $700/ month in rent that goes directly to you, the property owner, and has the care agreement with the operator for whatever their cost is.

What is a reasonable way to apply an estimated tax benefit of the interest deduction vs. the tax on increased positive cash flow vs. invested income? 

It´s tax free, take the money. 

Be careful with multifamily, as too much new multifamily has been built here in the recent past - depending on the rent level, getting tenants may not be that easy.  

I help client that are in Pre foreclosure  i want to advertised the listings outside my local MLS for Investor and fix & flip .

Like most everything in real estate, it depends on the location.

The LLC should help you lower transaction costs since you as the LLC Manager can buy/sell property, taxes, etc by writing checks from the LLC's business account.I rolled my SDIRA from Equity Trust, no LLC (poor service, high fees) to Madison Trust w/LLC about 6 years ago.

And for over 10 years, I have been in multifamily affordable housing development, and I am very familiar with asset management, property management, construction, and tax credit financing.

At this point I will have pick up about $450K in appreciation after sales costs, but that is before taxes and I am in a high bracket.