Coins ARE easier to unload. That's also part of the reason you pay a premium for them. People who invest in gold tend to hold onto it as more of a long-term thing. You could check the prices of coins at bullion/gold dealers as well, but I wouldn't expect the prices to be a whole lot better.
That's exactly it. The custom designs make it "collectible." If you're looking to buy physical gold, buy bars at a bullion dealer.
You want canadian, australian, UK, US, or South African mint bullion ideally. Pay a slight premium for its recognizability.
Coins ARE easier to unload. That's also part of the reason you pay a premium for them. People who invest in gold tend to hold onto it as more of a long-term thing. You could check the prices of coins at bullion/gold dealers as well, but I wouldn't expect the prices to be a whole lot better.