The ultimate guide to what to buy every month of the year

If you're looking to score some deals and save a bit of money, sometimes when you shop matters more than where you shop.

"There really is a best time to do just about anything and everything, and that's especially true when it comes to buying things," writes Mark Di Vincenzo in his book, "Buy Ketchup in May and Fly at Noon."

Using tips from Di Vincenzo, along with time-tested advice from sources like DealNews and Mint, we've highlighted the best times to buy just about everything, broken down by month:

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