Adult autistics: what do you wish your parents had done better when you were young?

I'm a mom with an autistic preschooler, I want to give him the best start and opportunities. What is important? What do neurotypicals not understand about autistics? Both my husband and I are neurotypical.

thank you every one so much for your helpful advice and kind words. I'm so grateful to this community for helping me on this journey. I feel so much more confident with your help