Compare competitor's prices.

The main concept for getting the best price is to compare all the prices offered at several different retailers, so you can find who offers the lowest price. While doing your comparisons whether on the internet or through sales ads you may want to pay attention to stores you can't use, such as stores out of your area or ones that require a membership. You might want to make a list of the stores you can or are willing to shop at to avoid wasting time searching ads or websites you won't need.

Considering purchase plans, warranties, and protection plans.

Some stores offer in store financing or other purchase plans that may add extra costs to an items list price. Depending on your budget and the item your buying this could be a help or a hindrance. You also want to consider in store warranties on products from their own line, some retailers offer better warranties than others making ones price a better deal than the other stores due to having the better warranty. Almost all retailers offer some kind of protection plan above and beyond the warranty these may cost extra but in some cases depending on what your buying can be very worthwhile.

Delivery and installation.

Not all stores offer free delivery and installation. Plus if you're ordering online you will have to worry about shipping and handling fees. This might not be an issue as some sites defer these fees if your purchase is over a certain amount. Brick and mortar locations may also use the same idea when figuring the cost of delivery and installation. This of course all depends on the size of the item and whether it needs to be installed. Just remember to consider all these factors when researching your purchase because the cost of the item is not always the final price you end up paying.