Had anyone tried smiledirect?

My dentist keeps harassing me to get my teeth straighten for maybe 7 years now. Money is the main issue why my parents never got me braces. My teeth arent BAD really. Just crowding in the front but they look straight when I smile. Anyways I saw an ad for smile direct and it looks pretty promising. Invisalign was always my way to go and seems more affordable than what my dentist office was offering me.

I want to know if anyone on here has had them and how trustworthy they are. I’m always so skeptic abt trying things that I see online haha