Anyway regarding guarantees most companies offer a 60 day or 30 day guarantee. I feel the customer is responsible for abiding by the guarantee stated by the merchant, even if the merchant (seller) states there is no refund guarantee. I have to agree that there are plenty of good reasons in certain circumstances not to offer any type of guarantee. anger management control This can be done in the case of certain information you received and agreed to pay for so as a customer you’re in a position to rip the seller off just by reading the material first or downloading a stand-alone software product that you are now able to use.