Brad Mc

Hey guys, somewhat new to the board(lurked for a bit and finally joined to ask some advice on a sound my truck was making). Purchased an 18' Sierra back in July and have been looking around at different things I can do to it, just not sure where to begin. It's a 2wd, and I don't really want to put a lift on it; but I'm interested in leveling it(which I know might lift it a bit) and eventually some wheels/tires(as big as I can go without a lift). Can you guys point me in the direction to get started with the leveling kit(s), and maybe an idea of what I'm looking at cost wise for that? Appreciate any feedback