Have cream house, brown trim with white windows. What color for front door?

I know I read somewhere that a few drops of black paint in a can of white will help to keep the paint from yellowing over time. Is this correct??

We used latex paint and the walls look terrible. I was told to paint them with oil base primer, so I did, but now since dry it looks textured. What went wrong? Do I need to sand before painting again? Can I also latex paint over oil base primer with

My question has to do with morning sun on my front door. The door is set back about 8Ft. with a small porch area, but still gets direct sun. It has caused peeling and cracking on the wood trim on the door and framing. A year ago I scraped, sanded

I am having some new maple cabinets made. They will be shop sprayed with a white polyurethane primer. Can I paint/glaze over this primer?

I want to paint my wall but it has wallpaper on it. I’m trying to figure out which product will not lift up the wallpaper. Kilz oil base primer or the regular paint with the primer?