If you have the time to fix them asap you can follow this route: - use spot or reserved instances or saving plans. - have a look at compute optimizer - underst

If you have the time to fix them asap you can follow this route: - use spot or reserved instances or saving plans. - have a look at compute optimizer - understand aws networking costs are and try to optimise it (cross az and internet egress can be costly) - go through the trusted advisor checks: https://aws.amazon.com/premiumsupport/technology/trusted-advisor/best-practice-checklist/ https://aws.amazon.com/premiumsupport/technology/trusted-adv... You can enable trusted adviser checks by enabling business or enterprise support. - try using one of these cost optimisation tools: https://aws.amazon.com/products/management-tools/partner-solutions/#Resource_and_Cost_Optimization https://aws.amazon.com/products/management-tools/partner-sol... - contact aws for well architected review If you don't have the time, then I suggest contacting AWS to introduce you to a consulting partner. They can come and actually fix whatever is needed.