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.
What is an 'Import'. An import is a good or service brought into one country from another. The word import is derived from the word port, since goods are often shipped via boat to foreign countries. Along with exports, imports form the backbone of international trade; the higher the value of imports entering a country, compared to the value of exports, the more negative that country's balance of trade becomes.