Invisalign should be cheaper and a little bit above the price of braces.

People should have less of a discomfort to a better thing than braces when needing the teeth fixed. Braces could've been a thing of the past for straightening crooked teeth. 

https://www.change.org/p/who-ever-is-in-control-of-the-prices-invisalign-to-be-cheaper-everywhere

https://www.causes.com/campaigns/96520-cheaper-invisalign-everywhere

http://petitions.moveon.org/sign/cheaper-invisalign-everywher?source=c.em&r_by=6343167