Flickr/Scarleth Marie Sometimes when you buy matters as much as where you buy. "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 highlighted the best times to buy just about everything, broken down by month. Megan Durisin contributed to an earlier version of this post.JANUARY Peter Wollinga/Shutterstock Bicycles connel/Shutterstock Bike lanes stay pretty empty in January, making stores roll out the deals on their stock of Schwinns. New models will start coming in by the middle of the next month. Pools and hot tubs Galfred/Flickr The winter is the best time to purchase warm-weather luxuries, when prices are the lowest. Plus, it's smart to give yourself several months to regrow the grass in your yard after it gets torn up during pool installation. See the rest of the story at Business Insider