Two things: saying no to the majority of time requests (it used to be very hard for me, but now I realize the power it gives me over my own time), and focusing

Two things: saying no to the majority of time requests (it used to be very hard for me, but now I realize the power it gives me over my own time), and focusing on one task until it's done (I have a few Trello boards and have gotten more religious about 'WIP' during my working hours... though I probably hang out on HN and Reddit a bit too much still).