Charity Fundraising Auction Tips and Guides, Click here for a sample auction donation letter. Live Auction Getaway Packages. 1. Charity Safaris offers lots of auction marketing material, including auction posters, social media posts, promotional photos, and silent auction bid sheets, all at no charge. Sample letter 2. These calls shouldnt be long just a simple check-in to boost the response rate on your letters. Whole Foods. Auction items can be picked up by staff members or volunteers. Reach out to each of your board members to ask them to donate items as well as reach out within their own network to ask other people to contribute items for your auction. The Best Silent Auction Item Ideas.