idioms []

As right as rain - absolutely fine, hunky dory, tickety-boo
- from “As Right as Rain - Caroline Taggart - 2013” → pg-124
rain check (wiktionary.org) - “a polite way to turn down an invitation, with the implication one is simply postponing it and that another time would be acceptable”
penny wise, pound foolish (wiktionary.org) - Prudent and thrifty with small amounts of money, but wasteful with large amounts.
five-finger discount (idioms.online) - shoplifting, stealing.
- from https://www.barrons.com/articles/costco-membership-crackdown-stealing-afec29f6?mod=hp_columnists
  the term “stealing” is more often associated with using a five-finger discount on a product.
cost someone a pretty penny (cambridge.org) - to be very expensive
- from https://www.barrons.com/articles/clorox-cyberattack-breach-stock-price-8fae9f1e?mod=hp_columnists
  Harnessing new technology like artificial intelligence and machine learning already costs a pretty penny.