winterization

Hi, I was wondering if anyone has a winterization checklist they'd be willing to share. I live in Pennsylvania and have had several calls about winterizing summer cottages before winter. I've been doing research and it's all over the place. I'd like something to ensure I don't forget something...

I have cistern which is filled either by truck or pumped from the lake. To connect to the cabin, there is a pipe with a foot valve at the bottom, and a pump with a pressure tank at the bottom of the cabin. My setup is a bit different since we don't have a basement, and the pump is closer to...

I'm looking to do a blowout in the new home that has the Wilkins backflow preventer. Everything I read says that it shouldn't blowout through the BFP. However when I look at where the compressor can be connected it seems that the air will go through the BFP. See attached picture. This is an...