But the 2 bedroom apartment upstairs covers most of our monthly payment and we have everything we need with a 1 bed apartment setup down here.

I could write a whole book about STRs, and it still will not cover everything, because...Take-home 2: tax strategies are always case-by-case, there's no universal recipe, which is why...Take-home 3: use a good tax professional, such as those listed here: https://www.biggerpockets.com/...

Have you ever had a client or partner misunderstand 100% financing and expect it to cover closing costs?

The Federal Americans with Disabilities Act and the Federal Fair Housing Act approach the topic differently and cover different segments of the community.

(Note its typically reduced by the percentage, so as an example if you pay 90% - $90k for a $100k loan, and the UPB was reduced by $1,000 - you get a $900 deduction not the full $1,000).But let's take a deeper dive into a LSA and some of the key areas - Specifically the section called "Representations, Warranties & Convenants" For both the buyer and seller. 

My wife and I have our old primary home that we recently moved out of and are renting that has 150K+ in equity that we could tap into via HELOC to fund the down payment for our next purchase and cover the remainder with a DCSR or Conventional loan?

if so - are you wanting to borrow just  enough to pay off the loan and cover refi costs  or  are you wanting to pull out more funds over and above the loan balance ? 

Bridge Loan: Short-term financing to cover immediate cash needs.

I did a very similar automation campaign for my guests.One useful tip  (you covered it on finding the apartment) is that I like to record a full walk through YouTube to show how to work things.

We recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.