Anyone used anything from Rostra cruise control?
 

https://www.rostra.com/pdf/yariscruiseaftermarket.pdf

I have read the threads on cruise installs doesn't seem like rocket science.

Kicking around getting this for the Yaris. It is $220 bucks. Toyota wants over $600 for it with installation.

Here are the instructions. https://www.thecruisecontrolstore.com/newyarisinst.pdf