If you read them in the order written it should given you a pretty good grounding in precious metals.
Some help working out when to buy:
http://goldsurvivalguide.co.nz/is-now-a-good-time-to-buy-gold-in-nz-dollars-part-2/
Understanding exchange rates when buying:
http://goldsurvivalguide.co.nz/avoid-worrying-about-the-nzdusd-exchange-rate-when-buying-gold/
Choosing between coins and bars:
http://goldsurvivalguide.co.nz/nz-gold-coins-and-silver-coins-or-nz-gold-bars-and-silver-coins-which-should-i-buy/
Valuing NZ housing in gold and looking at past trends when doing this to see when gold might be overvalued:
http://goldsurvivalguide.co.nz/could-nz-house-values-drop-by-80/
http://goldsurvivalguide.co.nz/nz-housing-to-gold-ratio-update%E2%80%8E/
And the same for silver:
http://goldsurvivalguide.co.nz/nz-housing-to-silver-ratio/
Indicators to track to determine when to sell or exchange gold for another asset:
http://goldsurvivalguide.co.nz/when-will-you-know-its-time-to-sell-gold/
Some simple methods to determine lower risk times to buy:
http://goldsurvivalguide.co.nz/nzd-gold-and-silver-a-beginners-guide-to-technical-analysis/
Or if you prefer to watch and listen than read, here is the video version of this article:
http://goldsurvivalguide.co.nz/gold-and-silver-new-zealand-a-beginners-guide-to-technical-analysis/
Nothing goes up in a straight line so consider gold (and silver) can fall:
http://goldsurvivalguide.co.nz/just-how-low-could-gold-fall/
And speaking of video, this 1.5 hour video from Mike Maloney gives a very good overview of much of the precious metals subject:
http://goldsurvivalguide.co.nz/mike-maloney-gold-presentation-20000-gold/