Mighty Max AP600C All-Purpose Cart for $124.99. Shipping is $5.00 for a total of $129.99 shipped. Here is a screenshot for reference. The cart has non-flattening thermoplastic elastomers wheels with rubber tires, telescoping handle, tool rack, up to 600-lb. weight capacity, and expands from 31″ to 38″. Most places have it for about $149.