Just returned home today, flew in and out of Newark Sunday to Sunday. Fairly long security lines. I hate Terminal A where JetBlue (and I think SW are), mainly because past security there is ONE smallish ladies room, with long lines, lol.
Parking is expensive for Newark airport, you just have to factor that into your trip. I use Parking Spot, McClellan, it is valet. They do give a
AAA discount, and there are coupons floating around, and corporate discounts which is what I use. Still high though!
PS I have flights in October EWR to MCO and got $82 each way, so sometimes it is less than PHL. I prefer PHL but EWR is 1/2 hour closer to me.