Biological Supply for Education
Office & BusinessOffers biological supplies and educational resources for schools and institutions.
Card-linked offers add a meaningful savings layer on top of portal cashback at Carolina. The combined portal and card-linked offer yield currently totals approximately 13.3%, with BeFrugal offering 4%. Promotional rate spikes occur roughly once per year, lasting about 193 days on average. Check your card issuers for active Carolina offers — these stack with portal cashback.
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Card-linked offers add a meaningful extra layer on top of portal cashback.
Card-linked offers stack with portal cashback at Carolina. Install the extension and sync your cards to reveal hidden offers from Chase, Amex, and others.
Portal Rates
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Rate History
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