I installed a remote start about 5 years ago, never really thought of them before that, but probably wont go back to not using them, the same as snow tires lol. For me it saves a couple minutes getting dressed then running down a flight of stairs and outside to start the car, then back in again. Even when its warm out I use it, I prefer to have the oil circulating and a bit of expansion to take place before I put a load on the engine so will start as I'm putting my shoes on.
I havent done a remote in any of these yet, but plan to do 2 of them this year.
Many people say to not start it a second early and thats their choice, I do what I do and have vehicles that last a long time, I dont get rid of them every couple years and dont drive the crap out of them.
I remember a friend of mine with a crapbox mazda glc or something, he would put it in first, not use the clutch, turn the key and the starter would slowly move the car until it started and then tear out of the driveway lol, the gas pedal didnt leave the floor much. It was kinda fun and neat when you were 20, but I wouldnt want to buy something thats been abused like that lol.