Walmart offers free one-day delivery in attempt to catch up with Amazon

Walmart will offer free one-day delivery on up to 220,000 items on its online store with orders over $35. Walmart is currently offering the new service in Phoenix and Las Vegas, and will come to Southern California in the coming days. The retailer expects the service to be available to 75 percent of the US by the end of 2019, including 40 of the 50 biggest metropolitan areas.The retailer’s announcement comes hot on the heels of Amazon’s decision to speed up its free delivery option