Of course many times on BRRR with max leverage you have to write a check to refi.. so helps there

This type of property has the chance to cashflow, even highly leveraged, in a market where cashflowing properties are quite difficult to find.Could house hacking a property like this work while I am going to school? 

., which creates a great opportunity to leverage real estate for attracting travel nurses and other medical professionals.

A Solo 401k which is exempt from UBIT on leveraged real estate may be a better option if you have legitimate self employment activity. 

And folks from the mid west would say 3 to 4k  and some would say 5k with most folks thinking these days 10k is enough.. and then just as you say work the math backwards at 300 a month which is pretty tough to make if your max leverage and you have your answer of how many houses you have to own and manage.

Most municipalities have different mix-use categories which dictate the precise commercial use that's allowed.A few additional observations on mix-use assets and how I approach them (1) they are generally more difficult to finance than multi-family assets so expect lower leverage terms even if the property performs just as well if not better than a multi-family property and therefore price this into your acquisition (2) I focus on mix-use assets where at least 80% of the income is generated through the residential component.

If your credit is decent then I would utilize your cash as leverage to leverage:1.

I have had a LinkedIn account for many years, yet I haven't spent a lot of time on it because I don't quite understand the best way to leverage it. 

.: Quote from @Chris Seveney: @James WiseI was sitting next to a doctor at a conference who did a private money loan and lost $$200k then he did a jv deal where he became co-owner of a LLC, gave a personal guarantee on the asset and put money in the deal to buy it but didn’t put a lien on property so partner went and leveraged the assets as well and ran off and dr had personal guarantee.They then bought a property and renovated half of it then decided to knock it down….I had a successful shoulder surgeon ask me to list his apartment building that was under-performing.

Utlimate goal is to maintain a healthy leverage on the rental property.