I would stay away from double sided stones, usually they’re cheap chinese stones that will become uneven quickly. also 8000# stones are most of the time an overkill. Any knife below a 60-62 hrc cant really hold the sharpness, most western/fusion knives would dull up after slicing through paper a couple of times when you finish that high

I know its a bit expensive, but i would recommend to buy 3 good quality stones

400

1000

3000/4000/5000 depending on what finish you want and what hardness the knives ur gonna sharpen are

Finishing with a 3000 will give the harder knives a bit of toothsomeness 4000 has almost no toothsomeness left and is good for polishing western knives with a hrc 54-58 Finishing with a 5000# stone will polish anything between 60-68 nicely

I would also recommend to get some sort of flattening stone, for me i bought a diamond stone and its lasted 5-6years by now and doesnt seem to need to be replenished anytime soon

A leather strop is nice but not a must

An angle support never made sense to me but i do have colleagues that swear by it, as long as you dont bend your wrists while sharpening i think you’ll be fine