Lots of good wisdom there. I'm of the same mind, and I even try to work up good serviceable loads using a powder that works well across a variety of calibers. For example, I am using IMR 4064 in my .30-06, .243, and .22-250. If you get a versatile powder, it just makes things even simpler. Not that I don't occasionally try something new, like my .30-06 loads this year with IMR 4166. But...that powder is very similar to the above-mentioned 4064. At my age, the KISS principle is more important than ever.