Closing My Pool - The Mechanical Stuff

[Poconos]

Some answers:
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Q-How do I blow the lines and prevent water from getting back in them prior to getting the plugs in?

A-usually a shop-vac with a blow capability is enough to blow water out of the return lines. Trick is to connect the blow port to the piping system somehow. Duct tape, PVC pipe and variuos PVC thingies usually work. Can give you more ideas if needed. As you're blowing air through the return lines and bubbles are coming out of the returns, insert the plugs.
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Q-I know I need to pour some antifreeze into the skimmer but how much and how do I pour it into the return and suction lines?

A-I blow the skimmer line too, then plug the skimmer with a 'gizmo', then siphon RV antifreeze into the return line via the pump basket pipe entrance. Forgot to mention I also pack the skimmer housing with closed cell foam...same stuff as pool noodles. Have to provide for ice expansion. No need to fully pack. I probably achieve a 50% foam pack by cutting the stuff in strips.
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Q-Do I pour any antifreeze over/in the pump/filter?

A-I drain the pump and suck out any remaining water with a shop-vac. I do put the pump basket lid on and pour some AF into the basket housing. I don't tighten the basket cover.
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Q-What position should I leave the multiport in. Any other things I should check/clean/store for the winter?
A-I actually take the multiport valve inside but in any case leave the handle in a position between settings to relieve pressure on the gasket. In reality, probably doesn't matter. Also, take the pressure gauge inside to prevent freezing. Ice will destroy the thing.
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Hope this helps.
Al