One should not really obsess about going bald, IMO !
Lots more important stuff, than that.
Just shave your head
I'm starting to get the horsehoe thing in front ( at 45), still have 85% left, my Dad was nearly cueball bald at 50ish, still went for haircuts at a barber ! Rather a waste of time.
I started shaving my head ( nearly), about 10 years ago. I don't "shave" it, actually... just trim it as close as possible with the Wahl trimmer ( $20 at Walmart), about once a month. I quit going to a barber for that, you can't fuck it up. I use the same thing to shave my beard, about weekly, so I generally have a 3 day beard on average.
Hair is over-rated ! I hate the unwanted hair that grows around my ( * ), out my ears and nose, eyebrows now need regular trimming too, or I'll look like Andy Rooney. FUCK HAIR ! I'd gladly eliminate every hair on my body permanently. I'm not the hairy back type, either !