Learn how to pass a credit check and improve your credit score. Create an Avail Renter Profile to simplify the rental application process.Most of the time, the application process takes one to three business days. Background checks and employment verification may take some additional time. The tenant screening or credit reporting company generally has 30 days to investigate your dispute, though in some cases they have 45 days. Run a credit report: Make sure the applicant has enough income to afford rent. Look for a credit score of at least 600, a history of ontime payments, and a lack of bankruptcies or evictions. Learn how to run a credit on a tenant. Screen prospective tenants with an Avail online rental application and tenant screening reports. Chicago, Illinois 60602. 312-603-1100.