Every once in a while you KNOW that your purchase was well worth the investment. This is certainly one of those times. I frequently get bogged down and spend WAAAY too much time investigating how to get something I'm trying to accomplish to work perfectly. Having these tutorials absolutely helps me to achieve that and has already saved me several hours of research. This deal is definitely a time saver. And, Andrew is really good at finding the subtle tricks that take these the utility of Google Sheets to the next level. He gets it. 2 thumbs way up.