BiggerPockets also has a calculator to analyze deals, and I highly recommend you start this as soon as possible, even if you are not ready to buy.

My recommendation would be to get approved as a Landlord, contact the director's office and request that an inspection be completed before a tenant is selected (sometimes they will do this as long as you select a tenant within 14 days - which you want anyways), and have an online application and screening resource in place.  

I personally don't like the idea of using OPM as is often recommended for people without their own capital.

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

I recommend doing your homework on the topic. 

.), I'd recommend that the residential units fully cash flow the loan as my experience is that mixed use properties are tougher to finance as most lenders tend to prefer one or the other and something in the middle gets more difficult.For example, and granted I don't know anything about the area/neighborhood, I would expect this property (https://www.realtor.com/realestateandhomes-detail/111-NW-Har...) to be easier to finance than the mixed-use property you mentioned. 

The biggest challenge seems to be finding lenders that offer these loan products which is where I’m looking for help from the community with recommended lenders that serve Texas.The Fannie Mae (or Freddie Mac) options are preferred over FHA purely because of the (perhaps perceived) limit on renovation funds that the FHA option provides.

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

I've been recommending www.repstracker.com to my clients. 

i have seen that quadplex on the market for a while and yea it is definitely more than i would like to tackle right now but i think i could possibly make that SF work thank you for the recommendations  @Anthony Benoit For what it's worth, I'd estimate you'd need to negotiate the purchase price on that SF down a bit to make the numbers work in that area (BRRR or F/F).