On a traditional bank loan, the bank sends out a 1098 mortgage interest statement to show what interest you paid for tax purposes.

All of my properties go through there and at the end of the year everything comes up in one form for tax purposes".

If one were to become an agent in order to gain access to the MLS for investing purposes, are there brokers specifically for this type of thing.

The LLC became a partnership for tax purposes at that point in time. 

Unless the tenants are going to pay me similar interest, or I really wanted access to equity for some other purpose, what is the value proposition for me to make less interest?

LLC's are considered "disregarded" entities and as such all taxation is on a "flow through" basis....meaning the IRS treats the assets in the LLC as if you owned them personally for tax purposes.

I'm due for a promotion in the next 6-8 months which will put me at $625-$730 a week, depending on how much I work.

In response to your question on Lima One Capital, I have used them as well as many others and there are ways of using the HML for more than one purpose, it all depends on your situation and project.  

Inadvertent ponzi schemes are more common with funds than they are with one-off syndications and they generally occur because the promoter fails to keep their books in order properly.  

But I'm pretty sure a married couple is not allowed to each have a "primary residence" (at least for tax purposes), but I'm not sure how the FHA views this issue.So if only my name was on the mortgage, could that multi-unit be my primary residence as the FHA requires, while my other house would be my wife's primary residence?