There are many online shops that sell what you want. Amazon.com is one of online shop that phones with any kind of models with low shipping prices. You can visit www.amazon.com.
There are several sites that allow you to compare shipping rates. The best reviewed sites are: www.postalannex.com and www.shippingsidekick.com. Both of these sites allow you to compare prices on all major carriers.
Amazon has a great tool that will allow you to compare the prices and features of different size televisions. Furthermore, Amazon has very competitive prices and free shipping on all televisions.
One can compare prices of various cars, such as an Aurora, at sites such as the confused website or money savers website. Both allow one to easily compare cars simultaneously .
Online stores like Nordstrom or Kohl's will let you compare prices within the website. Another option is Ebay or Amazon, they allow price comparison from within the website. if your a woman, you could also try stylishy.com
The best website I have found to compare and look at prices for GPS' would be BestBuy.com. They allow you to compare side by side different products so you can see the pro's and con's of each.
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Yes, there is a website that will allow you to compare ground shipping rates between FedEX, UPS and the post office. You can find it at www.shippingandtracking.com/ You can use the http://www.shippingsidekick.com/ for exactly this purpose. However it's only really useful for shipping from your own location. If you want someone to ship to you they'll usually decide which options you can employ.
One can compare electricity prices on the My True Cost website that breaks down the cost of power plans based on what you actually use rather than the average use.
Cars, Edmunds and What Car all offer tools to help one compare cars features, benefits and prices. Autotrader also offers this kind of service on it's website as does the website of the Kelley Blue Book.
The Alarmforce website offers testimonials along with options on which alarm services you require and options to set it up. They also allow you to compare their prices with that of their competitors.
Nearly every price comparison website such as moneysupermarket.com, comparethemarket.com and confused.com will have a mobile phones section. These will allow you to compare tariffs and prices to find the best deal for you.
The purpose of the website known as Confused in the UK is to allow one to compare the prices of insurance products and find the lowest prices. One can find cheap quotes on car and home insurance from them.