She always looked for personal advantage in every situation.
selfish motives
Frequency:
65
%
Her actions were driven by selfish motives.
individual benefit
Frequency:
60
%
He focused on maximizing individual benefit.
egoistic tendencies
Frequency:
50
%
His egoistic tendencies often clashed with others.
Idiomatic Expressions for self-interest
Phrase: Put self-interest above all else
Meaning: To prioritize one's own interests above any other considerations
Usage: He always puts his self-interest above all else, even if it means sacrificing relationships.