I'm going to see Sugarland at the Allentown fairgrounds and I was just wondering if we pay for parking and how much?

Price for parking varies by how close you are to the fairgrounds. If your patient and can parallel park in a city atmosphere you'll easily find on street parking within a 5 minute walk.

Depends on what you can handle. There are paid lots closer to the Fairgrounds; prices vary. There is free, on-street parking a bit away from the Fairgrounds, too -- maybe a 5-minute walk.