Are bullion and proof coins a good investment?

Are bullion and proof coins truly worthwhile investments? On one hand, they offer a tangible asset that can potentially hedge against inflation and market volatility. On the other, their value is largely dependent on supply and demand, making them prone to fluctuations. Additionally, storing and insuring these coins can be costly. So, are the potential returns worth the risks and expenses involved? Let's delve deeper into the pros and cons of investing in bullion and proof coins.