Unless you are under age 20, there are probably things you know now that you wish you knew growing up. Even on hacker projects, it isn’t unusual to do better on your second whatchamacallit than on your first one. After all, you learn something each time and apply it to subsequent builds.
[James Lewis] (sometimes known as the [Bald Engineer]) has spent a couple of years with a 3D printer. He says that as of March this year, he had used the machine for about 75 hours. Since then his usage went up to 300 hours because he’s finally learned his lessons about how to get good prints.
If you are experienced, you might not be surprised at the first tip: level the bed. Don’t let that fool you, though. [James] has some good tips on advanced bed materials and print filament, too.