Tax-free shopping starts August 19th and runs Sunday, August 21st. During this weekend, shoppers in Texas will not be charged tax on clothing and shoes under $100. Shop To the Nines for back to school basics and fall must-haves. In addition, we’re offering all shoppers $29 off a purchase of $100 or $59 off a purchase of $200 or more. No coupon required. Shop on Friday and Saturday from 10am-7pm and Sunday from 1pm-5pm.