That means getting it listed on MLS with a competent, full-time Realtor.NAR studies (and there is admittedly a case to be made there for bias) have consistently shown that homes that are sold through a Realtor fetch more than enough additional money to cover Realtor commissions. 

I have funds to cover around 100k purchase, what should be my general road map on the funding?

If there are things of real value, I might look to store it for 30 days (take pictures of EVERYTHING) before finding an alternative way to get rid of the items.

What does landlord insurance cover if you're investing in an apartment building with 100 + units?

Also, what's covered by this insurance.

Based on what other places are rented for in this area, the rental income will likely cover more than half of our estimated monthly fee (mortgage, property taxes, etc.)I'm wondering if anyone who owns a property in this area has dabbled in AirBnB and what their experience has been like?

I can team up with couple of agents but  Roofstock or HomeUnion are working probably hundreds of agents therefore would cover more markets.

Often times the rent will cover or exceed your mortgage costs.

He is looking to move in with his SigO but is concerned his rent wont cover mortgage/expenses.

The difference being that the buyer's policy does not cover total replacement if the house burns down and it essentially just covers your investment in the house.