AmazonSmile is a website operated by Amazon with the same products, prices, and shopping features as Amazon.com. However, when you purchase from AmazonSmile 0.5% of the purchase price will go to a charitable organization of your choice. (Some Amazon products are not eligable for donation. These products can still be purchased on AmazonSmile just like regular Amazon, but they are marked as ineligible.)
To get started go to AmazonSmile and select Riverside Bible Conference Assn as your charity to donate to Riverside.