Personally I buy straight from Lowe’s. Or support a local small business nursery business around me.
I prefer finding what I would like to add, and find the best specimens in person.
That perfect for the main popular chameleons-Veiled or Panther.
Maybe vote for the latter but if maintaining a stark temperature difference isn’t an issue-Jackson’s.
Or even what I have desired-OUSTALET’S CHAMELEON