Business Insider reports that Walmart is set to launch Walmart+ by the end of this month.<br />The subscription will cost $98 a year.<br />It will offer members free same-day delivery from Walmart stores.<br />Members will also get delivery perks, discounts at Walmart gas stations, early access to promotions, and self-checkout tools.<br />The retailer will also introduce a Walmart+ branded credit card and possibly video entertainment.