American guinea pigs for sale priced Under $50

11 American guinea pigs for sale on other sites Everybarn indexes. Asking prices run from $15 to $50, with a median of $50 across 11 prices. Based on 11 listings, updated Oct 7, 2026. The most listings are in Calabasas, CA (2) and Kokomo, IN (2). Typical range nationally $60 to $150, from 52 comparable sales and listings in the past 90 days.