Additionally, you may need to have discussions with your JV partner to come to a mutually agreeable solution for the long-term ownership of the property.

This is a very broad question and without tons of additional info no one credible will be able to provide you a logical response.

Not sure why it posted as I was just trying to add it to my profile but there is some info on the deal lmao

Adding an additional panel for the second unit can cost between $5-10k.

The sellers have reduced the price from 500 to 400 since the first buyer backed out.

I have hired a lot of people over the years to manage my properties and I have never paid them an additional fee to re-rent the property.

These are professionals with additional training and a stricter code of ethics.

There are tons of benefits to house hacking, reduced cost of living, property management experience, lower down payment requirements etc. 

Note that conventional loans allow 5% down for multi-families now...It sounds like even with your father's help, you still don't have sufficient funds, much less also having additional reserves...What, may I ask, is your job? 

Additionally, why do you need to be on site?