From big ticket items, like cars and appliances, to everyday necessities, like groceries, there's a method to saving money.

It's knowing the best time to shop.

To land the best fares on airline tickets, SmarterTravel.com says Tuesday nights or Wednesday mornings are the best time to buy. That's when airlines run their weekly ticket sales.

Just remember to book at least 21 days in advance.

Many buyers splurged on plasma or big-screen TVs in time for the Super Bowl, but consumer analysts say the best time to buy a new television is 6 months to a year after the model hits the shelves. The price will drop and so will the rush to buy one.

Waiting up to 12 months means buyers are still getting some of the best technology for less.

Want to stop getting run through the ringer on appliances like washers, dryers and refrigerators?

The best deals for appliances can be found on holiday weekends -- and not just Christmas.

Recent flyers offered huge savings for Presidents Day. Buyers can also bank on deep discounts for Columbus Day and July 4.

The best time to hit the grocery store, like buying airline tickets, is Tuesday night or Wednesday morning. Experts say that since the sales are set on Wednesdays, buyers can sometimes get overlapping savings.

Grocery stores also are usually less crowded then and the produce isn't too picked-over.

Looking for a new car? Hit the dealerships between fall and New Year's, when dealers are trying to clear their lots to make way for the next year's models.

Buyers who show up on Aug. 31 or on weekday mornings in September will have more time to negotiate and the dealer will be more anxious to make the sale.

Want more best time to buy tips? Click here to learn how to save on other purchases.