Case studies
What Reserver finds in real AWS accounts.
Every study here reads a real account end to end: its own reservation ledger, usage history, and fleet, priced at the rates it actually pays — all anonymized at the customer's request. Fleets of every size, from a six-instance startup to an AWS Organizations footprint spanning dozens of accounts.
RDS · ElastiCache · EC2 · 40 accounts · AWS Organizations
Real account40 AWS accounts, one blind spot — $250k/yr found
A real AWS Organizations footprint across 40 member accounts — the size where every account looks fine alone and the money hides in the seams between them. Priced at the accounts' own rates: an org-wide renewal lapse, coverage drift nobody could see whole, and reservations stranded by a re-org.
RDS · ElastiCache · EC2 · 6 regions
Real accountThe $2.4M account that did everything right — and still leaked $60k a year
A multi-region SaaS platform with twelve years of reservation discipline: 550 reservations bought since 2014, coverage most teams would envy. We read the whole ledger. The money wasn't lost to ignorance — it was lost in the seams between manual reviews, and in a purchasing habit nobody ever re-derived from the data.
RDS · ElastiCache · EC2 · 1 account
Real accountSix instances, one missed renewal — $2,195 found
A real, lean, single-account fleet — the size a founder or a small platform team actually runs. Priced at the account's own AWS on-demand and Reserved Instance rates for the exact classes named, anonymized at the customer's request. A missed renewal and a never-reserved tier, both quantified.
More studies as design-partner accounts come online. Want yours read like this — every gap, every lapse, every term priced? Join the waitlist and be next.
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