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LINKIND-US via Amazon [amazon.com] has 6-Pack Linkind A19 Dimmable LED Light Bulbs, 60W Equivalent, 9W, 3000K (Warm White) on sale for $19.98 – 55% off when you apply promo code ZA2P4AIJ at checkout = $8.99 ($1.49 each). Shipping is free w/ Prime or on orders $35+.

Note: Amazon promo codes don’t always apply seamlessly. If you run into this issue, try refreshing the page, re-entering the code, or checking after you select a payment method to confirm whether it already applied.