Costco Deal: Nellie’s Laundry Soda for $43.99, or $0.11 per Load

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The 400-load bucket of Nellie’s Laundry Soda is on sale for $43.99 at Costco, marked down from its regular price of $54.99. That breaks down to just $0.11 per load.

By comparison, Amazon sells the same detergent for $69.90, or about $0.17 per load. Nonmembers can still get this deal online but will pay a 5% surcharge at checkout.