Have you ever sharpened? Have you educated yourself on the fundamentals? If the answer to that second question is no, then spend some time reading and watching and absorbing different points of view.
Stick to 8" stones.
For a functional edge, to start out, my opinion is get an Ultra Sharp 300 grit diamond, some ~0.5um diamond/CBN spray/emulsion, some paint sticks (for the spray/emulsions), and a red marker for the bevel.
This is a basic kit, but if you do your part, you will have sharp knives and it will handle all those steels. You will need to define what "sharp" means to you. All of my knives, pocket to kitchen, will stick on my thumb nail, shave arm hair, and of course slice receipt paper (not the best measurement).
Most of them will not readily catch the pads of my fingers in the Murray Carter Three Finger Test with the lightest of touch, most of them will not slice free hanging paper towels (and them that will won't for long), and most of my edges will not whittle hair. But they are freaking sharp and do their jobs. For general purpose functionality, you don't need high grits. You need fundamentals.
Understand how to sharpen it, then you can do what you want from there.