So Id like to paint my fence black. It originally was black but later painted silver. What paint do I use and what do I do about the rust? I don’t have money for a new fence but I also don’t feel the whole fence needs to be replaced. I’d like a privacy fence in the back and on one side but I like the height it is on the two front sides bcuz it is a corner home. Also the posts are from rails from the mines which adds nostalgia and originality. Any advice?