Is there long-term parking and how much does it cost?

It is long term parking at EWR EWR On-Airport Economy Lot (Lot P6 located approximately 3 miles from the terminal area)-access all Terminals via a free shuttle bus current rates, rates effective June 6, 2021 First 24 hrs $21.00 Over 24 hrs, each 12-hr period or part thereof* $10.5 e.g., after 24 hours, charges are incurred in twelve-hour increments ($10.50 per twelve hours); the daily max is $21.00

Yes, I did see long term parking. The pricing I did not see.