Longer cord for accessory attachment?

I just recently installed my garage door sensor. My first issue is why can’t you use a location trigger to have your garage door open when you get home? That’s literally the reason why I bought it. Also, my second dilemma is can you buy the split cord that attaches the camera to an accessory, such as a garage sensor, that is longer than what is provided? I would like to move my camera farther back into my garage so I can see down my driveway as well when the garage door is open. The cord is way too short to be able to do that currently. Thank you!