That's easy, Tanoro.
Submit site suggestions with a proper, ODP Guidelines compliant Title and Description.
Don't submit mirrors and redirects in order to get the same site listed multiple times.
Don't send site suggestions stuffed full of keyword lists, and sales hype.
Don't submit site suggestions multiple times to the same or different categories.
Don't try to hide your real location, put the business address on the site.
Don't submit to the wrong category, because that's where you want to be.
Don't ask for a site update that doesn't comply with our Guidelines.
Those will do as starters,
. If we don't have to do unnecessary detective work, we can spend more time clicking the ADD button. The public has access to all of the editing Guidelines that we edit by.