The obvious answer is her parents are from Saudi and have money from their families. She may be an agent but it is not the only answer as to why college professors from Saudi might be richer than you expect. Lotsa money there.
Her parents are NOT from Saudi Arabia.
Her father was from India. Her mother was from Pakistan.
The $64,000 question: WHY did her parents uproot the family, from Kalamazoo, Michigan, and head halfway across the globe, to Saudi Arabia?
Who was footing the bill? WHY were they footing the bill? What did they expect to receive in return?
And how does a girl who has never earned more than $28,000 in her life become the sole owner of a $649,000 condo?