1 Additional collars for additional dogs cost between $55 and $130. 2  A do-it-yourself kit may not include enough wire. 3  Additional wire costs between $23 and $70 depending on length (usually between 500 and 1,000 feet) and durability. If living in an area with frequent thunderstorms, consider buying a lightning protector. 2  These cost between $35 and $55. 3  Keep in mind that an invisible fence doesn't keep other dogs, animals or people out of the yard.
Import finance allows both the importer and exporter to be free from assuming an excessive amount of risk.
(October 2008). A grey market (sometimes called a parallel import, but this can also mean other things; not to be confused with a black market or a grey economy) is the trade of a commodity through distribution channels which are legal but are unofficial, unauthorized, or unintended by the original manufacturer.