Do they offer free parking if you stay before and after flight while traveling out of RDU?

To be more clear can you leave your car there in between your departure flight from RDU and return flight to RDU if you stay there the night before departure flight and the night after return flight. There will be 7 days between departure and return.

Yes, the parking is free while staying st the hotel

Yes free parking.

There is no charge for parking while staying there.

yes

Yes, parking is free.