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Sorry to be late. Lockdown issues.
Auto-leveling is not necessary. 3D-print yourself some shorter stand-offs for the base. Buy some 5mm silicone sheet and put a sheet of glass bed on top of it on the plastic one. Make some screw-down ally clips for the corners. Shim the glass up with carefully cut "contour shapes" of paper until it's level and true. Job's a good 'un. Level forever. This is what I've used the past 3 years. No adjustment required.