No. Mac systems are normally more expensive than Window-based systems.
It generally is not that expensive to repair appliances in your home.
Guesthouses would generally be cheaper.
Porcelain Veneers are slightly less expensive than crowns because generally there is less tooth work to do with veneers but they also break more easily than crowns.
Oil heaters are generally less efficient than other types of heating systems, such as natural gas or electric heaters. This is because oil heaters have lower energy efficiency ratings and can be more expensive to operate.
White bread is generally less expensive than whole wheat bread.
Generally, speaking, no, but it depends on the maker of the food, or on what is being made at home. But, for the most part, commercially made food is less expensive, and less healthy. It is believed that the poorest States are also the least healthy due to healthier food being generally more expensive.
Electric is less expensive generally, but gas is usually more "realistic"
A netbook is a version of a laptop computer. It is smaller than a notebook, sometimes called a regular laptop and is generally less powerful and less expensive.
Packet switching networks are often cheaper to build as less equipment is needed given this ability to share.
Yes, this is possible. However, it involves a significant amount of components and systems not currently in the non-turbo car and it is generally easier, less expensive and more reliable to purchase the turbo car (if one is available).
Overhead transmission lines are less expensive, in most cases, significantly less expensive, than underground cables. Underground transmission cables require insulation, cooling systems, and -the most expensive feature- excavation!
No. Generally speaking, used cars are actually less expensive to insure than new cars. This varies greatly depending on model however.