So you'll have to add up the amount currently owed on those and subtract that from 75-80% of their total appraised value to determine how much cash you will receive. 

It really comes down to what you are comfortable with, but if your agent is quality, he/she would have explained each item in detail and answered all your questions so you could determine how to proceed.  

If you are not purchasing using all-cash, speak with a lender to help you determine your price point and best investment strategy.Once you've got a better idea as to what type of deal you'll be pursuing & how it will be financed, connect with a local investor-friendly Realtor who can help you navigate the market.Best of luck to you moving forward!

Residency is where you sleep and determined by number of nights typically, but is also established by mailing address and drivers license.

Once you have that submarket determined, start building a team.

Otherwise, the court will realize you are hiding one thing, 'so what else are you hiding' mentality ensues.Yes, once you have commercial properties (anything over 4 family units), your liability increases and you need to start looking more closely at having a LLC. 

The latter will help you determine how sporadic the income is.  

Depends on your mentality of being a landlord.

As @Chris Mason mentioned you will now have the full duplex counted against you and your taxes will be used (usually after 1.5 years - you'll be using the leases prior to that) to determine income. 

I only had money to buy a 1-bed condo at the time, and I had some mental issues to sort through and the SFH within my budget at the time were in areas that was far away from the hopsital I was attending regularly so in short, I bought the condo.