If you provide us with a picture of her, we might be able to better help guess he age if you are curious. I would guess she is probably a little older than a couple months, there aren't a whole lot of october hatchlings, most are late summer.

Do all the reading up that you can, these forums are great for getting multiple opinions and advice from people who have had snakes a long time, as well as other newbies looking for help. I am a newbie for sure, but I did two years of research before I finally bought my snake. I have stacks of books and did hours upon hours of google searches and YouTube videos.

There are lots of resources, just make sure you get the basics down first, proper temps especially. I highly recommend only feeding f/t unless she absolutely refuses it multiple times and you have ruled out things like the prey not being warm enough or her temps not being right.