I have wide interests, and my problem too for a long time was similar - not being able to decide what to work on, and end up not working on anything much at all

I have wide interests, and my problem too for a long time was similar - not being able to decide what to work on, and end up not working on anything much at all. In other words, classic procrastination. But from past couple of months, I've improved tremendously by "time slicing"...like a CPU. Meaning, I quickly pick a small list of 5-6 interests every morning from my Evernote notes. Rest of the day, I randomly pick one from this list and work for exactly 1 hour on it. Then I pick randomly again and work on that for 1 hour. For me, the 1 hour time slicing takes motivation, decision and procrastination out of the picture, and replaces them with discipline. Drawing up the daily list of interests is still prone to motivation and mood, but now it's a one off decision, not something I've to do repeatedly rest of the day. A single time slice results in only a little progress, but cumulatively over a period of a week or month, I've managed significant progress in every one of my interests, including revenue generating ones. I'm nowhere near as frustrated as I used to be. It may or may not work for you, but even if it doesn't, I'd like to generalize the concept as follows: settle on a process that depends less on motivation and more on enforced discipline. Rather corny way of stating it is, motivation is only the ignition, but discipline is what keeps the engine running and takes one ahead.