Welcome to the rabbit hole!
It's a deep one, but it's fun!
I use Shapton Pros mostly for my razors and knives. That said, different people like different stones. You can use natural finishing stones like Coticules or Japanese naturals too. What stones do you already have?
Generally people use hanging strops and I like them better too. I've tried a few, but my favorite so far is my 50000 Kanayama. I do NOT recommend you start on such a fine strop as you WILL nick your first strop a few times. For a starter strop, I would look at Dovo or Whipped Dog. Both are inexpensive and when you nick them you won't cry over it.
Shaving soaps or creams make a HUGE difference. A nice brush and a good soap make a big difference as it softens your stubble and will let the razor glide easier. For starters, look at Proraso cream or soap. It's a popular cream that is easy to lather, even with hard water. In the US you can find it as C.O. Bigalow. Same stuff, but rebranded for the US.
Welcome to the club!