If you are just getting started, I would not rush into buying the most expensive hardware. First, learn how the mining loop works: choose a coin, check the expected income, look at electricity consumption, and calculate whether the setup can actually make a profit. Start with a basic GPU rig and monitor its performance for a while before investing more. It is also useful to understand how difficulty, power costs, and hardware efficiency interact, because a machine with high hashrate is not automatically the best choice. For anyone who wants to practice these decisions without spending real money,
https://rollercoin.com/free-floki is worth checking out as a crypto-mining simulator game. It gives you a simple way to experiment with rigs, upgrades, and mining strategies.