Simple answer … get the How To Digital DJ Fast course. Money back guarantee, so no worries there. And it will give you PLENTY to start practicing on. You’ll be amazed at how much there is to pick up. And you never know, you might even start saving up to take the Masterclass that will no doubt be opened again 2nd half of next year.
Side-note: If you plan on taking it with you from time to time, the Denon is a solid (literally) choice. As an old MC6000 user I wouldn’t mind having a go at it, especially getting a feel for those nice large(r) jogs.