Also, if there is a local college town you could advertise to any student association associated with religions which abstain from alcohol.

It would be mainly rented to alumni, parents of students and people exploring the area by the University of Florida.  

I am currently a student at Florida International University, studying International Business.

Lisa Fondant   plenty on the internet including his rebuttal video and pictures of his students holding up 8700 and 10,000 jumbo checks...

Talk with the professors and students.  12.  

This targets family’s between homes, either because they just moved to the area; have a definitive time work contract; current house is being rebuilt/remodeled/repaired; students with “rich” parents; recent separated/divorced who needs space for children visits; Houston medical center stays; etc.  

I am a 19 year old full-time student, currently a freshman at the University at Buffalo.

Yes, I am one of his student and I can say this is my best decision ever.

I also put my good student skills to use in understanding comps, etc.

I'm sure you could connect with students on campus who need a place to stay, lowering your chances for vacancy with the duplex you own.