Experience will dictate the amount of any LOC and rate and term. 

Fix the property up to force equity, rent, and refinance with a 30Y loan.

All 3 will give different amounts/ranges. 

To achieve this, the rental income must meet three requirements.Rents Must Outpace InflationInflation steadily erodes the purchasing power of a fixed amount of money.

65%, 70%, 75%, 85%?

I would love to start real estate investing, and I am thinking of house-hacking a 2-bedroom condo in Miami as there seems to be a good amount of units delivering in the Brickell area.

an inspector will tell you everything wrong with a property, from the minor to the major. so if the inspection report finds a bunch of electrical issues, yes, you'd need an electrician to tell you whether they are $200 fixes or $2000. 

You now have money to fix n flip your own house.

Liability, despite the significantly higher dollar amounts, is significantly less in commercial space. 

I have read many times that if you notify someone and they don't do anything then they own the blame because they knew of the risk and chose not to correct it.Your correct if a healthy tree or limb falls on your property then you have to fix the damage yourself.Consult an attorney and your insurance company to confirm.