Now that I've learned more about these machines that go through the dipstick tube, I'd have to say they are pretty cool and I subscribe to dilution processes to keep the trans fluid in good shape.
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infamousRNR
and I made the full flush video to have that as an option for people who don't believe in the drain and refill dilution process. On any vehicle I've had with an auto transmission, I've never paid for or performed a full flush on them. I just do more regular drain and refills. Instead of waiting a full 30k or so to do a full flush, I introduce new fluid on a more regular basis by doing a drain and refill every 10k and replace my Magnefine in-line trans filter at the same time. The Magnefine filters are rated to last 30k miles but I just swap it out anyway because we're not talking a huge amount of money.
I did a Blackstone Labs analysis of my trans fluid not too long ago and my fluid was in great shape from my more regular drain and refills.
As for dropping the pan to replace the filter and clean off the magnets, I believe this is a waste of time. When I made the filter replacement video, it was for the benefit of our viewers but also to satisfy my curiosity of the health of my trans by seeing how much metal debris had accumulated on the magnets and to also see if the filter was clogged at all. What I found is a filter that was 95% unclogged and with magnets with very little metal debris on them. Those magnets can attract metal for the life of your rigs without needing cleaning. When
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infamousRNR
trans had a major failure, those magnets had tons of metal attached to them. That let me know they can successfully attract metal debris from normal wear for the life of the trans.
So, OP, I don't know if you considered this, but you could simply do one drain and refill of your trans pan at the same time as your next engine oil change, then follow that with 2 more drain and refills at the next 2 consecutive engine oil changes. After 3 drain and refills spread apart by around 5k miles, your fluid will be in good shape. Then you could do like I do and do a drain and refill every 10k and you'll be golden. Just another option for you consider.