1. corners
He is a person who never cuts corners.
Tom earned money by playing his guitar on street corners.
A square is a quadrilateral with four sides the same and where all four corners are right angles.
Cutting corners will save you money in the short-run but cost you customers in the long-run.
When you are driving, you should slow down on corners.
The corners of his lips showed a bluish tinge that really worried the nurse.
That's just standard practise, it's not like they're cutting corners.