Well, do you have a side business? Like selling stuff on ebay or something?
Sole prop, owner, 1 employee, and revenue 1k, or 5k, or 10k or whatever you want based on the volume of your sales.
As a sole prop they still want your personal income so put your real income there.
Business cards have a different review and underwriting process, so very rarely get automatically approved for most people (although Ink Preferred was just auto approved for me 2 months ago). Most of the time people do not call in and just let the app process (7-10 day message), because the calls tend to be significantly more difficult than personal apps, but some get easy reps who just want to confirm some details.
Here is the flowchart from reddit, I'm not sure if this is fully up to date but when it was it was a humorous but accurate depiction for all chase cards, but especially biz cards: