Gold has been used as money for many reasons. It is fungible, with a low spread between the prices to buy and sell. Gold is also easily transportable, as it has a high value to weight ratio, compared to other commodities, such as silver. Gold can be re-coined, divided into smaller units, or re-melted into larger units such as gold bars, without destroying its metal value. The density of gold is higher than most other metals, making it difficult to pass counterfeits. Additionally, gold is extremely unreactive, hence it does not tarnish or corrode over time.
We should not trust the fiat currency and highly consider bartering abroad. Boycotting goods is the only sensible way to restore power to the people and end monopolies. Communities should produce their own food supply, self-police and educate as they see fit. There isn't any product or material that we absolutely have to have that isn't within local reach. It is a shame to see the level of consumerism and government dependence overcome the desire for knowledge and skilled labor.
Gold bars and ingots are the most popular way to invest in gold and generally the form of gold bullion that most people think about. A gold bar can come in a variety of sizes from 1 gram to 1 kilo. Actually, a gold bar can be as big as someone’s imagination. Currently, the largest gold bar in history was produced by Mitsubishi Materials Corporation. The bar weighed 551 pounds and would be worth over $11 million with a spot price of $1275.
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Many investors buying gold turn to gold bullion coins from sovereign mints. Gold coins are a popular choice because the weight and purity of the coins are backed by a central bank and sovereign. Moreover, gold coins are produced on an annual basis to meet consumer demand, so there’s rarely a shortage of gold coins available to those investors who want to purchase the precious metal in this form. The following are some of the most popular gold coins for sale:
Another popular means of adding numismatic value to silver bullion coins is the application of a colorized lacquer. This too is typically applied only to the primary design of a coin on one side. For example, Colorized American Silver Eagle Coins feature brilliant hues and the red, white, and blue of the American flag on the image of Walking Liberty. The colorized lacquer does not change the weight of the coin, nor does it impact the silver content in any way. It is simply a means of adding a collectible twist to popular silver bullion coins.
Find a source that sells gold bullion. Often dealers, brokerage houses and banks will sell both coins and bars. When assessing a dealer, see how long they've been in business, whether they're certified with an industry or government body and in what investment activities they specialize. In the United States the national mint provides a list of authorized sellers that you can check. 
A small number of modern gold coins are also legal tender. They are not used in typical financial transactions as the value of the gold usually exceeds the nominal value of the coin. Modern investors recognize the timeless value of gold as a prime part of a diversified investment portfolio. And when investors are new to gold, the most popular size they purchase tends to be 1 oz gold coins.
A bullion coin is a coin struck from precious metal and kept as a store of value or an investment, rather than used in day-to-day commerce. A bullion coin is distinguished by an explicit statement of weight (or mass) and fineness on the coin; this is because the weight and composition of coins intended for legal tender is specified in the coinage laws of the issuing nation, and therefore there is no need for an explicit statement on the coins themselves. The United Kingdom defines investment coins more specifically as coins that have been minted after 1800, have a purity of not less than 900 thousandths and are, or have been, legal tender in their country of origin. Under United States law, "coins" that fail the last of these requirements are not coins at all, and must be advertised as "rounds" instead. Bullion coins are usually available in both gold and silver, with the exceptions of the Krugerrand (note in 2017 the first silver Krugerrand was minted) and the Swiss Vreneli which are only available in gold. The American Eagle and Canadian Gold Maple Leaf series are available in gold, silver and platinum, and palladium.