Marry money
Definition 1 of 1
Pro Tip 1/3Negative Connotation
The phrase often implies a selfish or materialistic motive for marriage, not love. 
My aunt warned me not to be someone who wants to marry money.
Pro Tip 2/3Societal Judgment
People may judge someone negatively if they think the person married for money. 
People gossiped that he married money, ignoring his wife’s kindness.
Pro Tip 3/3Literary Usage
Used in literature to reveal a character's motives or social commentary. 
In the novel, the heroine regretted her decision to marry money.