(Image credit: Aoostar) Mini-PCs have become increasingly popular systems for both home and office environments. However, don't let their size fool you, as these tiny systems often pack enough firepower to rival standard desktops. If a mini-PC purchase is in your short-term plans, Aoostar’s prominent lineup, such as the Maco , G-Flip , and Gem12 Max mini-PCs, is on sale during this 618 mid-year shopping festival on AliExpress with final prices between $300 and $398. The orders ship directly from AliExpress’s U.S.-based local warehouses. The benefits of shipping locally include fast, free shipping within the U.S., buyer protection for added peace of mind, and, most importantly, no cross-border duties or unexpected import fees. Therefore, what you see at the checkout screen is what you end up paying. In addition to the discounts available on Aoostar mini-PCs, AliExpress has released some coupon codes exclusive to U.S. customers for some extra savings. The higher the order, the greater the overall savings.…