Don’t feel like cutting cleats yourself. You can find them here on my store. I’ve done all the hard work for you. Plus multiple French cleat accessories to hyper. Organize your shop. Https://www.Aglimpseinside.Org 
Definitely an option to put them closer together. I’ve done that. I find I don’t like cleats that close together because I don’t typically use them to capacity. Plus you save money by not making so many strips.
