Here are some thoughts I hope help.The benefit of selling now is that as an inherited property you will likely pay no taxes because you inherit it at a stepped-up basis.I'm not a huge fan of buying a house that has lot rent.

Non pay of prop tax's non pay of insurance  Waste, etc. 

And would this be considered "capital gains" since it's re-sold under 1-year therefore having to pay a large % of tax on the profit?

As soon as people receive their tax refund checks, they will be knocking down your door.

Expenses will level off: Multifamily operators have been plagued by expense increases in the form of taxes and insurance, for the last few years, especially in the south, and especially in Florida and Texas.

Account ClosedI recommend that have a consultation with your tax accountant and/or financial advisor on ways to reduce your taxes. 

@Kevin Hoover, with certain types of entities it is possible to contribute property to and distribute property from that entity without triggering a tax event. 

Wanted to know if landscaping is a tax deductable expense in general and if it differs when one unit is owner occupied.

Day traders are not exempt unless they elect mark-to-market (MTM) accounting, which eliminates wash sale tracking but taxes gains as ordinary income.To manage taxes, track trades closely, avoid overlapping purchases, or consider MTM election if trading actively.

And given #3 above, it leaves about 20% of rent for all other expenses like property tax, insurance and other PM expenses like leasing fee, eviction fee and other minor expenses like for e.g landscaping, pest control etc.