3D Printer Feed Issue Fix

My desktop 3D printer powers on and heats as expected, yet filament never makes it out of the nozzle. I can’t tell whether the stepper is clicking, the drive gear is slipping, or the hot-end is clogged, so I need an experienced technician to examine it in person... (Budget: $30 - $250 AUD, Jobs: 3D Animation, 3D CAD, 3D Design, 3D Game Art, 3D Modelling, 3D Printing, 3D Rendering, Mechanical Engineering)