Is it a big or difficult job to rebuild ate calipers (using the PP rebuild kits)?

EDIT - forget the question. did some more thread searching (sorry, i'm new).

I'm having a dilemma - can't trust rebuilts, not supposed to trust myself on rebuilding (or evaluating if they are even rebuildable), can't trust what a shop does (and they charge absurd money).

As poster mentioned in post #21 -
"I just may have to pay the price to get my own ones rebuilt, at least I know my cores are good with no stripped threads."
That is precisely why I was asking about the rebuilder in my post (#3); if anybody had used them. My thoughts are: I'd rather have my "virgin" calipers rebuilt; knowing, at least, I started with my original OEM(good, but showing signs of being at the end of their life) calipers.
I'm still leaning towards the rebuilder mentioned in my previous post (#3), and I will report the results.
I live near Tampa/Clearwater, FL, and will try to find a local 'professional' here - but, haven't had much luck locating one here yet.

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82 300D Turbo 124,000 mi.