[pella]

> We buy Reserved Instances on your behalf (a billing layer change only)

> and bundle them with guaranteed buyback.

> .. We make money off of a 20% Savings Fee.

so this is similar business model, like https://archera.ai/guaranteed-reserved-instances/

"Find big-time savings with short-time commitments. Unlike typical commitments, Guaranteed Reserved Instances can be sold back to Archera within a month of initial purchase and with higher savings than standard offerings."

[Rapzid]

Archera appears to only charge for GRIs. They don't seem to tell you what they charge though.