It may not be a stand mixer, but a KitchenAid food processor with all of its accessories for $13 is still a great deal in my opinion. : r/ThriftStoreHauls
Amazon.com: Stem for KitchenAid Whirlpool KFP495 KFP500 KFP600 KFP650 KFPM650 KFP670 Food Processor: Home & Kitchen