I'd say screw it, get rid of nickles and dimes as well. Quarters can stay, for now. It's a complete waste of money and time continuing to mint such low-value currency. It can't be used for just about anything. Unfortunately, I do see the problem with part of this. For a handful of items where it does matter, it will force people to use cards more if they want to avoid rounding. And the card providers already have a c…
But add a $3.50 coin so that we can strongly incentivize coffee to stay below a certain price.
> The Coca-Cola Company sought ways to increase the five cent price, even approaching the U.S. Treasury Department in 1953 to ask that they mint a 7.5 cent coin. [https://en.wikipedia.org/wiki/Fixed_price_of_Coca-Cola_from_...]