How do I unstake my Solana?

As a cryptocurrency investor, I'm curious about the process of unstaking my Solana holdings. Could you please elaborate on the steps involved? I've heard about the potential rewards associated with staking Solana, but now I'm interested in understanding the reverse process. Specifically, I'd like to know how long it typically takes, any associated fees, and whether there are any specific requirements or limitations I should be aware of. Additionally, I'm wondering if there are any best practices or tips you could recommend to ensure a smooth unstaking experience. Thank you for your assistance in clarifying this process.