Specs on this house:  4 bed, 2 bath, "ugly" house, decent condition, needed new roof, we subsequently discovered a previously abandoned oil tank which seller had to remove.   

After 30 days passed you then have to file an eviction case then you have to win then you have to have them evicted and if after they have been physically removed they come back, now they are a trespasser. 

You should probably post all the numbers e.g. total cost for the property, rental income, property insurance, property taxes, current owner's cost for natural gas, electric, water, trash removal,  etc.It sound like a building I would stay away from.

I own several apartment buildings and I remove every dishwasher and garbage disposer and not one tenant every complained.

Once we got the keys, we hired an asbestosis abatement company to remove materials which tested positive (e.g., drywall in the guest and master bathroom).

However, the stench from smokers must be removed.

Does she have the rights to remove the flooring and take it with her when she leaves.

If you own them I would budget to remove, if you don't I would budget to have a tree service trim back every couple years.But biggest risk to me is tenants and turnovers

Within a week after closing and on zillow the HOA committee found out and told her to remove it immediately.

Hard money debt servicing costs go in with the regular mortgage cost for the ongoing total debt servicing cost which, combined with taxes, gets subtracted from NOI to give you the cash flow number.