# Past Savings

When you sign up with Pump, our savings model (🤖) analyzes your AWS account spend and excludes services/instances already covered by reserved instances or savings plans, making the estimated savings quite accurate, with no strings attached to join us for free!

If you do decide to 'join Pump' we'll ensure that you achieve 100% coverage, even if your usage grows or if you decide, like some of our customers, to sell your own EC2 reserved instances in the marketplace and earn more savings from us instead.

Pump can handle 100% of your FinOps decisions (if you so choose), providing savings without financial risk of commitment. We also offer a 30-day money-back guarantee on purchases; if unused within 30 days, we'll allocate them to other customers, sell them in the marketplace, or provide the equivalent in AWS credits as a last resort per our policy.

### Have Past Credits? No Problem!

If you have AWS credits, no problem! We can support customers with or without AWS credits. If you have AWS credits and would like to join Pump's organization, please let us know when you self-serve. 

<figure><img src="https://44033590-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F9AjQj4Qn0NOuXDBL27jQ%2Fuploads%2FjpeFtwShmzRY0dxZyA8v%2FGroup%20394.png?alt=media&#x26;token=bec81553-71d5-4135-9e2f-7a7f5acc6aa0" alt=""><figcaption></figcaption></figure>


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