But will the professional one really be better? There are some tricks they will learn (that could also be added to the software). It isn't like any human is going to tweak the gillions of LUTs. This also isn't "magic" like when detailing with audio. This science -meters, patterns, readings, etc.
yes, the pros will have better meters which should make a diff. There still will be value to having them come even if the software is doing all the work. It could also be that Autocal still needs work
I recall disliking what autocal did on my VT50/VT60s and manually doing it was better. That said, no person is doing 35k points for the LUT. Most of the time a calibrator is spending is on is the multi point whiteblanace and CMS stuff without touching the LUT (Of course these LG 2018 models are the first TVs that allow hardware access to the LUT.)
At some point the calibrators job will go away if the software is good enough. (On the computer side of things it is all software for monitor calibration.) Are we there now for 2018 for LG OLEDs? We'll see soon.
Even without spending $6,000 on a meter. Getting the stuff needed to calibrate cost MUCH more than just having a calibrator fly in, use their stuff and chat with you over tea. There may (or may not) be some value to letting the TV be used for a bit before calibration too. So having someone come after some use vs the store doing it could still be a plus.
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Order your TV fully tested for quality assurance, panel stabilization & top professional calibration in FHD & UHD HDR $600
Value Electronics has some balls to charge that much for it. If almost all of it is autocal and done in the store.... *sigh*
Save some money, have the calibrator come to your home after some burn in time, and pay less....