Home Depot offers the Philips 100-watt Equivalent A19 LED Light Bulb 4-Pack, model no. 455717, for $25.50. (Amazon charges the same with free shipping for Prime members.) Opt for in-store pickup to dodge the $5.99 shipping fee. That's $4 under our November mention and the lowest price we could find by $23. The bulb lasts for a purported 10 years.