When buying an inflatable boat, there are a few key factors to consider to ensure that you get a boat that is best suited for your needs. First, consider the size and weight of the boat and make sure that it is suitable for the type of activities you plan to do. Additionally, consider the material the boat is made from and make sure it is durable enough to withstand the elements. You should also investigate the type of valves used to inflate and deflate the boat, as well as the type of inflation system and the capacity of the air chambers. Finally, look for a boat that comes with a warranty for added peace of mind.