For me, it's a combination of tactics but they have been evolving. My ultimate goal an investor is passive income. When I first started out, my idea of passive income was that it was, well, passive. Since then I realized that there are very few investments that are truly passive. You MUST be involved to make sure systems are in place and you're achieving results.
While passive income is the goal, the way you get there is different. For me, I have combined flipping houses with buying and holding apartment buildings. The house flips produced cash that I could invest in apartments.
The trouble is that house flips are not passive at all, and can take up a lot of time. Over the last few years, I have replaced that activity with raising money from private individuals, and investing THAT money in apartments.
You just gotta figure out what the most efficient way is to get there, what suits your personality, and what is the most fun for you. For me, I enjoy the art of the deal -;)
Michael