As I have worked personally on a MERN project so I have a experience in this and would like to share some points as every language teaches you something new and interesting. So below are the points that should be remembered:
Structuring a MERN stack project efficiently can make development smoother and more manageable. Here are some best practices:

Organize the Directory: Keep a clean and organized directory structure. Typically, you can have folders like client for React frontend, server for Node.js/Express backend, and config for configuration files.
Separate Concerns: Split your code logically. In the client folder, have separate directories for components, pages, and utilities. In the server folder, separate routes, controllers, models, and middleware.
Environment Variables: Use environment variables to manage configuration. Store them in a .env file and load them using dotenv in your server.

Modularize Code: Break your code into small, reusable modules. This makes it easier to manage and test.

Version Control: Use Git for version control. Commit changes frequently with clear, descriptive messages.

Documentation: Maintain clear documentation. This includes API documentation and setup instructions in the README file.

By following these practices, you’ll have a well-structured MERN stack project that’s easy to navigate, maintain, and scale.

Businesses can reap significant benefits by adopting cloud computing solutions. One of the advantages is cost savings. Traditional IT setups require hefty investments in hardware and ongoing maintenance, but with cloud computing, these costs are significantly reduced since the cloud provider takes care of the infrastructure. Additionally, the pay-as-you-go model allows businesses to pay only for the resources they use, making it more economical.

Flexibility and scalability are other major perks. Cloud computing enables businesses to easily scale their operations up or down based on demand. Moreover, cloud services can be accessed from anywhere with an internet connection, facilitating remote work and collaboration among teams spread across different locations.

Despite these benefits, transitioning to the cloud is not without its challenges. One of the hurdles is the learning curve for employees. Security is another concern, as moving data to the cloud means relying on third-party providers to keep it safe. Ensuring that these providers have robust security measures in place is essential to protect sensitive information.

In summary, while cloud computing offers numerous benefits such as cost savings, flexibility, and remote access, must address challenges like the learning curve, potential downtime, and integration issues to fully capitalize on these advantages.