Capital Expenditure (CapEx): Money spent to buy
infrastructure
Additional cost to maintain infrastructure with time
You might need a team to manage the infrastructure
Example: Deploying your own data center with physical servers
Example: Purchasing Reservations
Example: Leasing Software
Operational Expenditure (OpEx): Money spent to use a
service or a product
Zero upfront costs
You Pay for services as you use them (Pay-as-you-go model)
Example: Provisioning VMs as you need them
Example: Using Serverless FaaS and paying for invocations