This all depends on which models you are comparing. Depending on the model types will determine whether or not a Pioneer Portable GPS is more or less expensive than the Magellan GPS.
The Magellan portable gps seems to have more features than the TomTom. With Magella, you have access to AAA programs and info, providing you are a AAA member. Magellan also has text-to-speech, meaning it tells you street names as well. Compare: http://bestgpsdirect.com/tomtom-xl-350-43inch-portable-gps-navigator-review/ http://bestgpsdirect.com/magellan-maestro-4040-43inch-widescreen-bluetooth-portable-gps-navigator/
Laptop printers can be either portable or stationary. Portable printers are more expensive than stationary printers. It takes research to determine if the benefit of a portable printer outweighs the cost.
the difference is that the mainframe is bigger and more expensive.
There are different types of hard drives. One is portable the other is integrated. The portable is more expensive than the integrated, but it is easier to use.
More accurate, smaller, longer lasting, less expensive, portable.
Portable toilets vary in price depending on features but can typically be found from as little as $40 to as much as $150 or more. They can be bought at retailers such as Walmart or Amazon.
Portable air conditioners are not expensive to buy, but they are more expensive to run than a whole house air conditioner. However, if your house does not have central air, a portable air conditioner is a good alternative.
Sony TVs tend to be a more popular brand thatn Pioneer thus making them more expensive. Sony items usually last longer and have less problems than other brands.
The cost of a Sony Portable DVD player will depend on the model you want to buy. Newer models or ones with more features will often be a little more expensive but they can easily be found for under $100
Portable vaporizers are actually usually more expensive. This is likely because everything needs to be made smaller and lighter, as well as battery operated.
The Sony will be more expensive, while the Coby will be a bit cheaper and offer a longer battery life.
In 1989, Apple released the Macintosh Portable, but it was very heavy and very expensive and did not do well with consumers. In 1991, Apple came out with the first PowerBook, a lighter, more portable laptop. Today, Apple makes several "portable" computers - the MacBook Pro, the MacBook Air and the iPad.