One thing I'm questioning is she said it is her, her daughter and that she has a fiancé that is working miles away and I'm assuming living away from home most of the time.

Welcome to the mile high city!

@Mile Cumbie- thanks for the advice!

Spend on marketing : highway billboard(units are only 0.1 miles from the major highway), lake billboard(units are 1 mile of the lake), Facebook ads.. total budget 20k.I have owned single family/multi fmly rentals before and this is my first big investment into storage units, please help me out industry veterans and let me know what else can I do to get to profitability soon.

Give some one an inch , they take a mile .  

Grocery and convenience stores are a little more regional; in Florida, Publix is popular, and if one of their stores is within a mile or two, that's probably better than if it's further away.  

I am utilizing a 300 mile radius which pushes me out to Phoenix AZ as well as most of Nevada.

Here are details on the property:Two, story SFH built in 1978Recorded as a 3/2.5 2 car garageCorner lotGood neighborhood, about 2 miles from retail and interstateComps in the area are hovering around $200KProperty has been vacant for the majority of the last 6 years although the mechanicals have been maintainedIn regards to property condition:Roof is 10 years old, shows wear from rain drainageFurnace replaced in 2014AC replaced in 2010Exterior is brick, vinyl siding, and wood trim.  

Nice to have another Southeast Georgia member on BiggerPockets.  

Looking for attorney recommendations in the Northern NJ area, 20 mile radius of Montclair, to help with asset protection (setting up LLCs and / trust).