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.
When to start and finish shopping: Shop too late and you may be hit with the steep last-minute fares business travelers get but shopping too early can also cost more. These are the shopping windows for the best-priced fares. U.S. domestic tickets: Shop between 3 months and 30 days before departure. International fares: Shop between 5 Â½ months and 1 Â½ months before departure. Peak travel: During peak seasons such as June, July and August or the December holidays, purchase tickets two months in advance.