It depends on your definition of having it all!
I chose to have a relatively smallish house and garden both of which take minimal upkeep. We adopt a "do it as we go" approach to keeping it tidy, so DS muddy rugby kit goes straight in the wash when he gets home ditto muddy boots. We have a general rule of "put it away when you've finished with it" which saves heaps of time when cleaning because it means we don't need to tidy up first! Combination of all this means it literally takes 30 minutes to dust and hoover the whole house once a week. Similar time to clean the bathroom and kitchen because we "clean as we go".
It helps that I WFH (have done for almost 10 years on and off) so I do things like load the washer/peg washing out while I'm waiting for the kettle to boil or while making my lunch. Frees up more time in the evening and at weekends.
We share ALL household chores and tasks equally (and I include DS in this) so means we all have equal leisure time.
We also made the conscious decision to only have one DC, again this means much less washing, less school activities etc etc
DH doesn't really do much exercise but I do triathlon so train every day. I do it early morning or in my lunch break (again advantage of WFH!)
I was very focussed on my career from being a teenager, I knew what I wanted and focussed on what I needed to do/how to get there. I did it before I had DS so that I was already in a position of having a well paid career that I went straight back to after taking maternity leave.
We also fell lucky in a way that when we decided to move in together at 18 FIL persuaded us to buy rather than rent. That was over 20 years ago so we bought cheap and have next to no mortgage remaining.
Combination of low mortgage and well paid jobs we can afford treats and luxuries. But DH and I are both in agreement that experiences and enjoying ourselves are more important to us than bricks and mortar.
So I probably do look like I "have it all" and maybe I do, but it's not down to any magic secret it's down to lifestyle choices I've made over the last 20 years based on knowing at age 18 that I didn't want to spend my life cooking, cleaning, doing chores and running around after a husband and multiple DC.
I'm not sure that answers your question though because you're comparing yourself to women with big houses and multiple DC? I agree with previous posters that they probably outsource some stuff and also possibly behind closed doors don't have the picture perfect life the world sees on social media!