It sounds like you're fine with coming up with ideas but having issues with sticking to them? Maybe start a company and put a monetary stake in these side proje

It sounds like you're fine with coming up with ideas but having issues with sticking to them? Maybe start a company and put a monetary stake in these side projects. Even if they aren't explicitly profitable side projects, it still puts in some imperative. Also don't be afraid to be the only person using some kind of project tracking implementation like a kanban or whatever with milestones and self-imposed deadlines.