Hotwire offers nationwide car rentals with prices starting at $9.95 per day, as seen on Travelzoo. (We found this rate from Miami, FL, (MIA) on March 10 and return on March 17.) That's the lowest daily rate we could find for select rentals by $14, although we saw rentals from $2 less last week (since expired). Fees, insurance, and taxes are additional and may be substantial. A minimum 2-day rental is required and blackout dates may apply. Book this travel by March 31 for rentals throughout March 31.