The rule I've found works best is to avoid jQuery until absolutely necessary, and definitely not until you have fully learned Angular. At first I would find myself reaching for jQuery for all kinds of things that ended up just being a couple of lines in Angular. It has actually been a while now since I've actually touched it, and thinking about it, I don't think I've even included it in my latest project. No doubt I will end up needed to pull in some third party control at some point which will necessitate I include it, but really I haven't missed it.