1. Check credit to Find out why low credit score.
2. Check employment using a independent.
My cases of two excellent and very good low credit score tenants:
Tenant 1:
Wife's credit score 600 becasue 5+ foreclosure in a Southwest city. Wife is Fortune 500 senior attorney.
Husband credit score >760. Medical equipment sales.
High earners annual income > $400K
Tenant 2:
Credit score lower than 600 with two $0.5m construction loan over due.
His house was foreclored and later sold for > $3m.
High earner > $250K income
Both tenants have to rent because of low credit for mortgage.