SheIn cuts up to 70% off a selection of sale items. (Prices are as marked; If your item is discounted by less than 33% off, use coupon code "inst33" to increase the discount to 33%. This code only discounts the original price.) Plus, all items receive free shipping. A couple of best bets:
Ralph Lauren offers its Polo Ralph Lauren Women's Striped Sweater Dress in Navy/Cream for $69. Coupon code "RLJULY4" cuts it to $48.30. With $5 for shipping (choose "Economy" at checkout), that's $229 off list and the lowest total price we could find by $71. It's available in sizes S to XL. Deal ends July 6.