Sign Up: Amazon Smile is a no-cost service allowing users to donate a portion of every purchase to charity. Details are available here.
Desktop: Sign into Amazon by typing smile.amazon.com into your browser. Select the SUPPORTING link in the upper left. In the resulting screen, select the Change Charity button [Right side under "Your Current Charity"]. Type in "Truck of Love". It will be the first result and have a location of Rock Hill, SC. Use the yellow Select button to the right, and you are done!
Mobile Device: Open your Amazon app. Select the horizontal lines icon at the bottom right of the screen. Click on the Settings bar near the bottom of the screen (you might have to scroll). Scroll down the the Settings list and select AmazonSmile. At the top of the resulting screen, select Change Charity. Type in "Truck of Love". It will be the first result and have a location of Rock Hill, SC. Use the yellow Select button to the right, and you are done!