I have autism and adhd and I found it okay apart from ds1 had pda which was a nightmare and very demoralising to deal with.
The hardest things were:
Dealing with trying to get him help as camhs ran rings round me and I couldn't access help.
School also ran rings round me and basically told camhs he was fine, then they'd bitterly complain about his behaviour to me - some sort of weird gaslighting shit they had going on I think.
Dealing with things like World Book Day costumes, Easter bonnets, dress like a Guatemalan Tree Frog Day, make a scale model of the Taj Mahal out of matchsticks project etc. Utter nonsense. I used to keep my dcs off school for the day if there was something I couldn't face doing as a pda child isn't going to cooperate and do projects like that, no way. It all fell to me.
Stuff like cleaning the house, meal prep, laundry, being on time and shopping never caused me any difficulties as I'm a well organised person in spite of my difficulties.
Ds2, autistic, was bullied and secondary school was a nightmare. We pulled him out after only a few weeks. He then went to online school and received his education that way. You have to factor this in if you're having children. Autistic children are very vulnerable to being bullied.