Why not rent a car from a local? Preferably one with already scratched, dented and cracked windshield.

Because i flew a lot from Haiti to SD, i made an acquaintance with a young guy who had just had a baby with his wife. He said i could use it for s long as I wanted and pay him what I thought was fair. $20/day and returned with a full tank. He was smiling ear to ear. He checked with policia and they just told him to write a note saying he loaned me the car (not stolen). All the papers were in the car. No problemo.

Your mileage may vary