House Hacking first time buyer

[Kez Strong]

I am looking to purchase a duplex and occupy one of the units. With current prices in Palm beach & Broward county well into the 400s+ would it be normal to not at least break even when only putting 3-5% down? The way I am looking at it is to at least get 60% of the mortgage covered and I could hack out rooms in the unit I will be living in. Any flaws in my thinking above?