You need to make sure that how the money is collected is 100% collected prior to them putting a single door in the door.  

However you've collected your fee since its easy to direct buyers how to buy the homes in markets where there's no barriers and hundreds are available at any given time, and the buyer feels like they accomplished something despite sitting on real estate that will never generate real gains. 

They have 6 figure jobs and just want to collect rental income and move on from their job ASAP. 

It's a magnet for both tourists and business travelers.Brickell: A luxurious enclave known for attracting affluent visitors and business travelers.Midtown: A vibrant, upcoming area appealing to younger travelers seeking a mix of local culture, shopping, and dining.Given your budget and the goal of purchasing two condos, investing in a combination of these areas could optimize both appreciation and rental income.

Where if they were using those funds to dollar cost average in marketable securities, they could keep 100% of that capital deployed and be asset allocated optimally based upon their retirement horizon. 

We’ll also collect rent and pay expenses via our LLC and its new respective bank account(s).  

Note if the plan is to Owner occupy, it does not need to be an optimal Investment.  

Continue exploring various strategies to optimize your purchasing power and minimize upfront costs.Using an FHA or VA loan for MFH acquisition can indeed be advantageous, offering lower down payments and favorable terms.

However, I recommend optimizing your listings on Airbnb and vrbo first.

Realistically it's going to be difficult for you to actually collect the remaining rent amount if the tenant refuses.