plumbing - Winterize Sprinkler System - Home Improvement Stack

I cannot find a service in northern NJ to winterize my sprinkler system for less than $100, so I want to try doing it myself, I just don't want to break anything. I've watched a few videos

Hubby How To - DIY Stacked Rain Barrel System - Big Living

How To Winterize Sprinkler System — Sprinkler Supply Store

How to Blow Out a Sprinkler System

5 Tips for Garden Plumbing - Garden & Greenhouse

Outdoor Plumbing - Maplewood Plumbing

New Irrigation System with PVB

Dry Pipes Royalty-Free Images, Stock Photos & Pictures

How To Winterize Your Home With This Easy Checklist

How to Winterize Your Lawn

sprinkler system - Do these pipes need to be winterized? How? - Home Improvement Stack Exchange

plumbing - How do I winterize this sprinkler system - Home Improvement Stack Exchange