Mining cryptocurrencies like Bitcoin or Dogecoin can be a complex and resource-intensive process. Here are some essential steps and considerations for starting a mining operation that aims to be profitable:

1. Understand the Market:

- Research the current profitability of mining Bitcoin and Dogecoin. Look into mining difficulty, coin value, and the overall market trend.

2. Choose the Right Hardware:

- For Bitcoin, ASIC miners (Application-Specific Integrated Circuits) are the most efficient option.

- For Dogecoin, you can use GPU mining rigs or ASIC miners that support Scrypt algorithm since Dogecoin is based on the Scrypt algorithm.

3. Set Up Mining Software:

- Install mining software compatible with your hardware. Some popular software options include CGMiner, BFGMiner for Bitcoin, and MultiDoge or EasyMiner for Dogecoin.

4. Join a Mining Pool:

- To increase your chances of earning rewards, consider joining a mining pool where multiple miners work together to solve blocks and share the rewards.

5. Wallet Setup:

- Create a digital wallet to store the cryptocurrencies you mine. Make sure to use a secure and reputable wallet service.

6. Calculate Costs:

- Factor in the costs of electricity, hardware, and potential cooling solutions. Mining can consume a lot of energy, which affects profitability.

7. Monitor and Optimize:

- Continuously monitor your mining operation’s performance and electricity consumption. Look for ways to optimize your setup for better efficiency.

8. Stay Informed:

- Keep up with changes in mining technology, and market trends, and regulatory developments that may impact your mining operation.

9. Consider Risks:

- Be aware of the risks associated with mining, including price volatility, regulatory issues, and technological challenges.

While the idea of earning $6500 a day is ambitious, it's essential to consider the significant challenges and investment required to potentially achieve that level of income. Always advance your understanding and consider starting on a smaller scale to gain experience before scaling up your mining operation.