If you're new to photography and already have plans to buy your first DSLR camera, I have one very important piece of advice for you - Don't overthink things.
I've been in your spot. You're sure about purchasing your very first DSLR camera so you start doing some research. You find out that there are dozens of cameras manufacturers with dozens of different options to choose from. You get confused and start diving in to the details. You compare specs, prices, reviews, but you still don't know which camera to get.