Clone only’s are highly sought after for a number of reasons, most importantly, most are phenomenal.
If you have never had any of these “elite” cuts, it should be pretty apparent once you grow and harvest them. At that point you will see what got them their hype and following.
I would suggest finding a way to keep a mother of these cuts, as you may never get the opportunity to get them again. Sure, you can s1 them or make crosses, but that will almost never get you anything close to that original cut, unless you are able to sift through 100’s of plants to find it. Seeing as you say you cant keep them around, I am assuming you do not have the space or the means to do large sifts either.
If space is an issue, you should look into the Bonsai Mum tek as this would allow you to keep mothers of all 3 of those cuts in a space the size of a shoe box.
I just hate seeing others lose cuts or let them go only to realize later they made a mistake and then never get it back. This is also where having a trusted network of growers helps as you can pass your cuts out and you have a much higher chance of them being preserved.
Just my 2 cents. Good luck whichever route you take.
Doc