eBay has the adidas Women's Originals Knit Superstar Shoes White/Sun Glow) for $30 - $5 (Ends 1/27) in cart = $24 with free shipping. List price: $80. Features breathable stretch knit upper, soft leather lining and a rubber shell toe, available in sizes 8 to 10.
Walmart has the Avia Men's Capri 2 Athletic Shoes (Several colors) for $10 with free in-store pickup or $5.99 shipping to home. List price: $15. Features full mesh upper, memory foam footbed, phylon midsole, available in select sizes from 7.5 to 13.
Nike has the Nike SB Men's Delta Force Vulc Skateboarding Shoes (Black/University Red or Black/Anthracite) for $25 with free shipping for Nike+ members (free to join). Features leather upper for durability, foam sockliner for cushioning.