Although im not that old yet(thankfully) go get them. They really help you understand the tricks and how they work. really helped me
Snowboard addiction + lessons(when you can) + going on consecutive days = instant progression
The SA videos help you wrap your head around how to do the tricks, so when you take a lesson, you're getting more feedback about the later stages of what you're trying to do. Going on consecutive days helps reinforce what you learned.