Knives are an excuse to buy whetstones.
Not the ONLY excuse; there are axes, hatchets, machetes, swords, guloks, yataghans, kukhris, razors.. and no doubt others I'm overlooking.
But they're the BEST excuse, you can find them anyplace.
If you don't collect whetstones, good. I recommend you get an assisted (guided) sharpening system if and when you decide you can't live without it.
Lansky isn't bad, there are various doodlebugs with assorted bells and whistles from 2$ to 700$.. but if you've no interest in the work you can defer it indefinitely. Lots of folks will sharpen things for money, and right now, too.
I don't do my own plumbing or electrical work, and many do.
But far as is there a REASON to own sharpening equipment, yes there is.
It's fun.
The precise alignment of edge to grind, building a convex arc to the strength of that particular steel & heat treat by intuition and experience, flattening an overly obvious 'shoulder' on the main bevel, reworking a point to slice or puncture either one, and NOT break under the use you'll give it..
it's the next step up from owning a knife. you REALLY own it when you built the edge to your intentions. It also makes you mighty choosey about addressing your intentions precisely, and knowing what they are in the first place.
If what you're doing is building a collection of safe queen customs, no, the sharpener is irrelevant, ignore it.
If you want to own the edge, ... .get a good combo stone, and a handful of cheap kitchen knives, Old Hickory are good.
They have decent steel, but are machine made and SUCK for precise. it's more like a knife shaped blank, that with a few hours honing begins to resemble a knife, and with a few more hours it starts to act like one.
Time you've ground past all the imperfections and reshaped the point and gotten the edge one molecule wide at the heel.. you'll know what you're trying to do. A decent stone for a beginner is a Norton 1000-4000, and if you've got a few bucks a 1500 Shapton and a 5000 Shapton will get your feet wet.
It's all a matter of taste. I couldn't be persuaded to go hang gliding, and think 6 hours polishing a hatchet edge is entirely normal.
