By Logan Mahan As we head into July 4th weekend, there’s really no better time to shop for a new swimsuit than the present. That’s because nearly every retailer is throwing a USA-sized sale, including brands that offer high-quality, eye-catching swimwear. Below, we’ve rounded up the best discounted swimwear you can shop right now — from swim trunks equipped with performance properties for you to even some flattering, supportive swimwear for her. 6″ Swim Trunk in Seersuckerbuy here: $30 Wellen ’66 Stretch Boardshortbuy here: $34 Backcountry 5in River Short buy here: $35 Lululemon Pool Short 7″b…