Where to put submit button in a long screen with multiple inputs

1. Where should the submit button be?
2. Can you have 2 submit buttons?

Where should the submit button be?

Submit buttons are placed at the bottom of the page to optimize top to bottom flow. There should always be two buttons, a primary action button that will commit changes made by the user and a Cancel button that will abort those changes.

Can you have 2 submit buttons?

yes, multiple submit buttons can include in the html form. One simple example is given below.