Total newbie here! I’ve had a 4th grader tutoring me on how to use this thing. 
I was printing and then the filament stopped feeding. So far, I have removed and reinserted the filament, changed the extruder nozzle, checked the z-axis, and checked the tension on the feed bearing. I can manually push the filament through. I can heat up the extruder and the filament “leaks” out. In the settings, I can tell the printer to move the extruder forward 20mm and it does. When I go to print anything, no filament comes out. Any help is appreciated!
If you take the filament out and manually “extrude” some filament does the stepper motor run.
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I don’t know what you mean by “manually extrude some filament.” Can you explain what that means in simple terms, please?
It sounds like your printer works! When you order it to print 20mm of filament, it extrudes the filament.
So why does it not print anything? Could it be that you have the nozzle too close to the bed. Could it be so close to the bed that no filament can get out of the nozzle?
Can you further explain what happens you hit “print”.
Does the printer try to print? Does everything heat up appropriately, is the extruder turning etc?
Yes it does because you mentioned that you go into settings and tell it to extrude 20mm of filament and it does.
It could be that the nozzle is too close - I just changed it so I will check that. When I go to print something the printer turns on, everything heats up, the extruder is turning, the axels are moving everything works as it should accept nothing comes out of the nozzle. I’ll relevel the bed today when I get a chance and let you know if that fixes the problem.
Do you have the correct temperature for the material?
If you remove the filament from the extruder and examine it
Are there a series of small dents from the extruder gear? If not more tension could be needed.
Is there a large notch in the filament?
likely, increase fan and or extrusion speed.
Try a different filament. Typically I would suggest always having a big name high accuracy premium filament around to eliminate any filament related problems.
Prusament, formfutura, or similar. That has impeccable tolerance.