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I might add - choose your airline wisely. Although Jet Blue is cheaper - I do prefer United for a number of selfish reasons - one advantage though that all can benefit from is if you buy at so-and-so a price and later see a fare for the exact same flights you have - only lower - then you can call United and they will issue you a credit voucher for the difference - in effect giving you the lower fare. We've always flown United (95% of the time) and now have a ton of miles with them. This helps a little when stand by folks and upgrades are choosen - sometimes. And we are familiar with their rules, quirks and lesser know benefits.
Check your choosen airlinje for their rules on recovering future price reductions - if at all. This ability will enable you to casually shop it and possibly capture the lowest fare of the year while holding a reservation from day 1 when the fares are released!
Jet Blue gives you credit as well. If a price is reduced just calll and they will give you the difference. With the credits we got last year our flight to WDW this year was paid with the credits.Our flight home is paid for by the free flights Brendan earned on his Jet Blue credit card. We are banking free flights to pay for our flights next year to LGB and home from Orlando!
Chrissie