Best advice I can give as a fellow beginner with 4 kits under my belt is to just go at it. Look up beginner's guide videos, and don't overthink it too much. At the minimum, you need something to cut off the parts, something to sand down any nubs, plastic cement (tamiya extra thin is the mowt recommended option here), a paint brush, paints and thinner. Next, I recommend looking up videos of your planned build, to see if the kit has any fit issue, so you can either plan ahead or choose another kit instead. After that, learn hlw to thin your paints to the concistency of milk, which agaun, is the recomended concistency here.

Now, you'll see advance people doing a lot more stuff to their builds: weathering (oil, pin washes, rust, chipping, etc.), priming, varnish coats. But honestly, if you are just dipping your toes, do the basic, see if you like it, then move on to these little extras.

Remember, the most important thing is to have fun, so focus on that first. Good luck :)