All the suppliers we use will buy their products (and in fact even some of each others) back. There is also a ready market on the likes of Trademe for gold and silver bars and coins. Also our guess is that if the precious metals bull market continues the likelihood is that there will be more buyers of gold and silver in the future coming to the party, a bit late in the piece. So you could make an argument that as the precious metals bull market proceeds it will also be easier to sell your gold and silver than it is now.
Here's where you can go to get a quote when you eventually want to sell your gold or silver: https://goldsurvivalguide.co.nz/sell-gold-silver-bullion-bars-or-coins/