Hayward Public Library Book Sale Book Sale — Hayward, CA

888 C St, Hayward, CA 94541

Oct 3, 2026

10:30am-3:30pm. Check the organizer page for details.

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Bag Day Profit Calculator

Estimate your cost per book and resale margin before you go.

Bag / Entry Cost ($)

Estimated Books per Bag

Average Estimated Resale Value ($)

Savings vs. ~$17 new retail98%

Estimates only — resale values vary by title, condition, and marketplace fees.