I'm surprised with all of these inconsistencies that you have had the past success that you have. I'm not hacking on ya, just making an observation.
First off, if he is taking F/T, don't confuse him or spoil him by switching to live every other week. What is the reasoning to that? And if you are going to feed live, what is the reasoning to feeding F/T?
As to the temps, you answered your own question.
As to moving him for feeding, that is Not necessary, you are actually lowering your chances of a successful feed by increasing stress on the snake.
Feeding in his enclosure will not make him more aggressive.
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