This probably isn't the time to go heavily into leveraged funds.
Like anything else, the time to buy them is when they look the scariest. When they've been going down, when rates have been rising, and you're afraid and there's the threat of recession. ... And if it's been fun for a while, you better think about getting out.
The long-term virtue of this idea, what you'll begin to create, is a terrific lifetime habit that will give a person a great deal of lasting benefit. That weighs a lot more than the short-term thrill of tearing off the wrapping paper.