How can I increase the Speed of VPS which i create through EC2 AWS

I understand your concerns about the performance of your EC2 instance and the potential costs associated with upgrading. Let me address your issues and provide some recommendations.

Regarding the slow performance of your current VPS:

1. The specifications you mentioned (2GB RAM and 30GiB storage) are quite low for running Windows and providing virtual assistant services for e-commerce platforms. This could be the primary reason for the slowdown, especially if your workload has increased over time.
2. Consider optimizing your Windows instance by disabling unnecessary services, removing unused applications, and performing regular maintenance tasks like disk cleanup and defragmentation.
3. Check if your instance is using enhanced networking, which can improve network performance. This feature is available on most modern EC2 instance types.

As for upgrading your instance:

1. Since you've been using the free tier for 2-3 years, it's likely that you're no longer eligible for the free tier benefits. This means any upgrades or changes to your instance will incur costs.
2. To improve performance, you should consider upgrading to a larger instance type with more RAM and CPU resources. For virtual assistant services, you might want to look at general purpose instances like t3.medium or t3.large, which offer a good balance of compute, memory, and network resources.
3. The cost for these instances varies depending on the region and whether you choose On-Demand or other pricing models. As a rough estimate, a t3.medium instance (2 vCPUs, 4 GiB memory) could cost around $0.0416 per hour, while a t3.large (2 vCPUs, 8 GiB memory) could cost about $0.0832 per hour in the US East region.

To optimize costs while improving performance:

1. Consider using EC2 Savings Plans or Reserved Instances if you have predictable usage patterns. These options can provide significant discounts compared to On-Demand pricing.
2. Implement Auto Scaling to automatically adjust the number of instances based on demand, which can help optimize costs during periods of low usage.
3. Monitor your resource utilization using Amazon CloudWatch and use AWS Compute Optimizer to get recommendations for the most cost-effective instance types for your workload.

Remember that moving to a larger instance type will improve performance, but it will also increase your costs. It's important to balance your performance needs with your budget constraints. I recommend starting with a modest upgrade and closely monitoring performance and costs before making further adjustments.

If you need more detailed pricing information or have specific questions about instance types, please don't hesitate to ask.
Sources
Amazon EC2 FAQs – AWS
Amazon EC2 Cost and Capacity Optimization | Amazon Web Services