A person who switches from one credit card or mortgage provider to another in order to take advantage of special introductory offers.
More example sentences
- Over the past six months - for the first time in my life - I have been a rate tart.
- However, in the end, I decided against making my son a rate tart - for now, at least.
- These days, thanks to the wonders of the Web, being a rate tart is an absolute doddle.