Introduction:
A Virtual Private Network (VPN) is a technology that allows users to create a secure and private connection over a public network. It provides a way to access resources, such as files, applications, or websites, securely and remotely. On the other hand, a leased line is a dedicated connection between two locations provided by a telecommunications provider.

Cost Comparison:
When comparing the financial aspects of VPNs and leased lines, it is evident that VPNs are usually cheaper than leased lines.

Infrastructure Costs:
- Leased Lines: Setting up leased lines requires physical infrastructure, such as cables, routers, and switches. These infrastructure costs can be significant, especially for long-distance connections. Additionally, leased lines require installation fees, which can further increase the initial investment.
- VPNs: VPNs, on the other hand, utilize existing internet infrastructure. Since VPNs operate over the internet, there is no need for additional physical infrastructure. This significantly reduces the infrastructure costs associated with setting up a VPN.

Monthly Subscription Costs:
- Leased Lines: Leased lines typically require a fixed monthly rental fee. The cost is determined by factors such as the distance between locations and the bandwidth capacity required. Leased lines tend to become more expensive for higher bandwidths and longer distances.
- VPNs: VPNs usually involve a subscription-based pricing model. The monthly cost depends on various factors, including the number of users, the level of security required, and the desired bandwidth. VPN subscriptions are generally more affordable, especially for small and medium-sized businesses.

Additional Expenses:
- Leased Lines: With leased lines, organizations are responsible for maintaining and managing their own network infrastructure. This includes costs associated with equipment maintenance, upgrades, and troubleshooting. These additional expenses can add up over time.
- VPNs: VPN providers typically handle the maintenance and management of the VPN infrastructure. This eliminates the need for organizations to invest in dedicated IT resources and reduces the associated costs. Additionally, VPNs often offer additional security features, such as encryption and authentication, which can save organizations from investing in separate security solutions.

Conclusion:
In conclusion, VPNs are usually cheaper than leased lines due to lower infrastructure costs, more affordable recurring fees, and reduced maintenance and management expenses. VPNs provide a cost-effective solution for businesses and individuals seeking secure and remote access to resources over the internet.