For exterior home painting, you're going to need a watertight paint. Acrylic-latex will be flexible and resistant to cracking. For smaller accents like window and door frames an oil paint can be used.
There are many different answers for this as the circumstances require different paints. In a high moisture area such as a bathroom or kitchen area, a semi gloss is preferred. In a high traffic area,...
The paint you are using should have recommendations on the can. Usually a moderately warm day, such as 50deg F or higher, and with no rain expected for at least the expected drying time of the paint.
If you have an old house, use flat paint. It hides the imperfections. If you have a newer house, then use semi-gloss or gloss.
Exterior paints come with a whole lot of finishes and the one you...
Sears--their Weatherbeater Ultra (accept no other Weatherbeater) is made by Sherwin-Williams and it is exceptional paint, an acrylic with polyurethane added.If you can get it (BIG if), Sikkens Rubbol...
I paint on canvases often, and I prefer using Acrylic. Watercolor or other oils work fine also, but it depends on what kind of things you like to paint. Trees, Water, or other landscapes are best...