Auto insurance is obviously different depending on the type of coverage you buy, but since the national average expenditure for car insurance is $795 a year and PA's average is $820, it can easily be inferred that Pennsylvanians are likely to pay a bit more on average for just about any type of coverage.
To answer that question, airfare shopping engine CheapAir.com monitored fares for more than 4 million flights in 2013 over a booking period ranging from 320 days in advance to one day in advance. Its researchers found that fares for domestic flights were lowest 54 days in advance.
2. Buy at the Right Time. Knowing when to buy your flights can be the best tip for saving some serious cash on your next trip. We did a study last year and found that for domestic flights 49 days (about 7 weeks in advance) was, on average, the optimal time to buy plane tickets.