There are some general things to look for in a rowing machine, but there are also some unwritten rules that will contribute to your choice. Most people would buy whatever costs less, yet quality brands represent a main priority. Why? Simple. They got some reputation that they need to defend. They are more reliable. They will also provide a better customer service, not to mention finding replacement parts, accessories and attachments. It is one thing to buy an item made in the middle of nowhere and another thing to buy from a world renowned brand with local offices. Check the reviews here for more details.