Above all things stay cozy with the Fair Housing Laws.
* Credit History
* Annual Income
* Length of Employment
* Landlord References (Always try to get the previous one as well as the current)
* Pets -- Consider being pet friendly. You can charge a monthly premium per pet and collect a security deposit. People will pay extra because Pet friendly apartments are under-supplied and in demand
* Lead Certified - Consider getting lead certified. Again, undersupplied and in demand, commands more rent.... more