We use a scoring system. In addition to a minimum credit score, and sufficient income, we award "points" for various factors...lenghth of time on job, cooperativeness on follow ups, having a checking, savings and 401(k) contributions, neatness of appearance and good demeanor when interviewed, having required move In funds up front, or cash for extra deposits for animals. If they don't score a minimum of 15 points, we reject the applicant.