@Daniel Fierros Everything that @Patrick Desjardins said plus:Legitimate Occupant or Squatter doing substantial damage (I've bought burn-outs from this)Governmental agency condemning the property and tearing it down (happened to a note investor within the last 6 months or so and he learned about it when I couldn't find the house he wanted to sell - the land was now a community garden)Note and/or mortgage improperly or illegally written or originated or not properly executed. 

If it's "in town, I assume it's not 250 acres, but I bought 40 inside the city limits.If it's residential and there is no dwelling on the lot and there are no specific restrictions (like with an HOA) concerning what you can plant and can't, a garden would be fine I'm sure.

Have a rooftop garden to encourage them to grow their own food and be more self reliant?

livonia, Westland, garden city only for me

Union Park Gardens is also a nicer pocket neighborhood. 

For a rental, you want to include mortgage, insurance, property taxes, utilities, sewer, water, garbage, HOA fees, gardening, etc.

No difference than if your driveway was in the easement, or garden, or the corner of your shed.

Now, I'm talking about things like a rose garden, or maybe even up to a ceiling fan.

.  ;-)  I am presently charging $3100, including pool service & landscaping/gardening.  

He has however since planted a garden, parked, cars, trailers, and has a small utility shed on my property I bought.