At CheckAdvantage, we print and sell both business checks and now personal checks directly to you. Whether you are looking to find laser checks that work with your small business software 3-on-a-page manual checks or personal checks with designs to match your style.At CheckAdvantage, we print and sell both business checks and now personal checks directly to you. Whether you are looking to find laser checks that work with your small business software 3-on-a-page manual checks or personal checks with designs to match your style.