Have you check out details of return policy, return process and responsibility of shipping charges on return event before you buy something from online store? Recent study shows that most of buyers never check it before shopping. For example, when you buy car covers from online store, online send you water resistant dust proof car covers which are not waterproof car covers you required previous. How can you solve this problem? If you do not check the return policy and return process at first, size problem and quality problem will bug you with pop-up blurbs in a long time.
Even some online stores offer no hassle 30 days return policy, accept return and exchange order, you will need to check details of return policy at first. If you do not pay enough attention, you wil lost some of your money, and pay for expensive shipping charges. Here is one kind of universal return process and duty of shipping charges. It is from Panda Cover Store, hope it is helpful for you.