Reebok offers the Reebok Women's Astroride Edge Running Shoes in Chalk/Black for $39.97. Coupon code "FAM" drops it to $19.98. Sign in to your Reebok account to get free shipping. That's the lowest price we could find by $17. They're available in select sizes from 7.5 to 10. Prefer another color? They're available in Grey/White for $24.98 with free shipping via the above coupon. They're available in select sizes from 5 to 9.
If you know where to look, you can score freebies at the dollar store regularly.