I managed to filter out the counties from that first field. I was elated. (sounds minor, felt major!)
I thought starting simple with the next step might be wise just so my goal is just to get the hidden element to show up when I check a box. No luck. Do you see how this might need to be different? (I tried adding (function(e) per this string:
https://support.advancedcustomfields.com/forums/topic/detect-if-a-field-is-changed/
I also thought this one was interesting but couldn’t quite change it for my needs: https://support.advancedcustomfields.com/forums/topic/list-of-js-hooks/
<script>
$('#states').change(function(){
//Do stuff on field change
$('#counties').show()
});
</script>
