Before you go shopping for a couch, you need to take measurements where you are going to put the couch so you do not purchase one that is too big and does not fit or too small where it looks kind of ridiculous sitting in an area too big for it. You also need to take into consideration whether you are going to always leave it sitting in that one spot or if at one time or another you may want to move the furniture around in your living room to give it a new look. If you are going to possibly move it around then you need to make sure that it will fit wherever you place it.
Make sure that when you are shopping for a couch that you actually sit down on the couch to see how it sits because if you do not you may get it home and find out that it does not sit comfortable or the cushions are so soft that you sink down in the couch and have trouble getting up.
Do not pick the first couch you see that you like. Look around because you may find one that you like better in another area of the furniture store. You should also know what type of fabric you want your couch to be made of. If you have children, you should make sure that your fabric is stain proof. You also need to make sure that the couch you chose goes with the décor in your living room.