I thought to take a look at their track record while watching their pitch fest and left.

From what I read, I think you are on track for success. 

If she is getting close enough to thinking that there will be an income disparity, she will stop at nothing to compel my husband to provide income documentation.All finances are joint except for the rental, which I keep rents for in a separate checking account and track spending for.

With your background in lease management and site selection, that could be a natural next step.Regarding STRs, I can understand the hesitation—accurate expense tracking is critical, and not having that data can make evaluating deals frustrating.

Again, others might disagree.a) Track Record: Get the entire track record for the strategy.

If, a year from now, you have an extra $20k piled up because you have been serious about this, it established a bit of a track record and proves that you are a doer and not just a dreamer.I would also express gratitude that you have a partner that is so cautious.

Each has their own tax implications.There are some alternative methods of calculating how much of the distribution and therefore the interest expense falls under this category, but the bottom line is that it is very important to keep track of. 

I use QBO to keep track of my properties and do this for my bookkeeping clients also.

You are on the right track with adding a business for cash flow into your strategy.

So, if your current rent roll is still on the lower side, it could limit the amount you can borrow right now.However, if you have even a partial track record showing improvements.. say a few of the units are already updated and attracting higher rents.. a lender might take that into consideration when underwriting.