Not sure how cold you get in upstate New York. Here is a helpful link by someone that lives in weather colder than you should see.
Alaskan’s Article
https://www.backyardchickens.com/articles/cold-weather-poultry-housing-and-care.72010/
1) Do I turn a light on first thing in morning or at evening to extend egg laying ?
Different people do it different ways. The important thing is not length of light but that the day doesn't get shorter. It's the change in the length of light that causes molting. As days get shorter, they molt.
Sunrise and sunset change each day. If you only add lights in the morning or in the evening you need to do some regular adjustment so the days stay about the same. To me the easiest way to do that is to have a timer for the morning and at night.
You have to think about spring when the days are getting longer. When are you going to stop the extra light? If you stop the light and the days suddenly get shorter for them they are likely to molt. Another problem is that after a period of continuous lay they slow down. They lay fewer eggs and the egg quality can drop. It's called a laying cycle, usually somewhere around 13 to 15 months of continuous lay. It can vary by chicken. Their bodies sort of wear out and they need to molt to refresh their body. If you don't let them molt in winter you may see some disruptions in what is typically a high laying time of year.
Many of my pullets lay throughout winter their first year without extra lights. All of them don't but many skip the molt their first year and keep laying, though the number of eggs can drop. Butt he next fall, after continuously laying, they are going to molt when the days get shorter.
Many of my hens start laying in the middle of winter when they finish the molt without lights, often December or January. That's somewhat breed dependent, some are much better layers than others. I do not use lights but many people do.
2) How do you winterize your coop?
Read Alaskan's article. I shut the window at roost level to keep breezes off of them. I have excellent ventilation up high. But my coop was built with this in mind. It will depend a lot on what your coop and run look like.
I use bowls to water. In summer I use hard to find white plastic bowls where the sun can hit them. I try to keep them in the shade. This helps keep the water cooler. In winter I use black rubber bowls that I get at
Tractor Supply. When they freeze I can knock the water out of them, the rubber will not break. If they are in the sun the solar energy can keep them thawed down into the teens.
That's it for my winterizing.
3) How fo you maintain a deep litter method !
I don't do deep litter, but again it would depend on what your coop and run look like.
4) how do I keep my Roosters comb from getting frostbite ?
I don't do anything special and don't have a problem. My ventilation is good and my coop is dry. They have good breeze protection too. But my overnight lows have never been below -4 Fahrenheit. You will get colder. The wattles are in danger too, not just the comb.