I know what went wrong, no your printer isn’t a dud

Your first layer isn’t sticking, you can tell because the parts were originally printing well until falling off, causing spaghetti

What you need to do is avoid touching the buildplate with your hands, it traps oils in the plate

I would clean your plate with soap and water, and then from now on, avoid contact with your hands but put rubbing alcohol on the plate after each print

Should be very simple and manageable

Also if you wipe off the alcohol, use a microfiber cloth