Paint many of the cabinet bases first, then do the doorways. Use the painter pyramids to help keep them off the ground. Start off with The within of the doorways to start with and if at all possible, get started with the doorways from the cabinets you don’t check out http://remingtonwqhxm.getblogs.net/25013687/helping-the-others-realize-the-advantages-of-what-paint-for-kitchen-cabinets