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If your using it for work and a lot of hard graft id say its a good investment if not and for the odd hole. Buy a cheap one or a decent drill and impact driver and you'll not really need one.
I use a SDS for coring hole in walls that's about it now, I just use my milwaukee drill for everything else at work and impact for screwing.
If there is a lot of hard stuff the hilti comes out but that's so rare now.
I'm certain that ^ would be a talking point in the Golf Club bar.
If you weren't way down west you could borrow this from me:
https://www.toolstation.com/draper-1050w-sds-max-breaker/p66424#full-desc
I sometimes need to remove concrete footings from around fence posts.
Hot knife through butter/non-dairy spread comes to mind.