There is a difference is paint quality. You get what you pay for. I use sherwin Williams, stay away from lowes house brand, worst paint I've ever used. A good brush and roller cover and that's about it. Since you don't paint regularly, tape along the baseboards and any trim and you'll wind up with a nice clean edge. Also if you are using more than a gallon of a color in a room and you have for example, 2 one gallon cans, make sure you box/mix em together. Even though they mix each exactly I have had times where they were off just enough to see a slight variation in where I stopped with one and started with the new. I also wash my rollers the day before I use em to remove any loose fibers, then just let em dry overnight. Good luck.
American Trilogy by Elvis..the Aloha from Hawaii version..if that don't bring a tear to your eye and a chill down your spine, you're a ****ed commie pinko.