Consistent Currency Formatting
MUST: Pick 0 or 2 decimal places per context and format every amount that way, including round ones — never mix `$12` with `$8.50` in one column. Pair with tabular figures and right alignment so decimal separators stack.
Pick 0 or 2 decimal places for a given context and apply it to every amount, never mixing the two
Bad
Good
Why it matters
A column that reads $12, $8.50, $1,204, $99.00 forces the eye to re-parse each row: the decimal point lands in a different place every time, so the digits no longer line up and the magnitudes stop being comparable at a glance. Choose the precision the context needs — whole dollars for a pricing page, cents for an invoice — and format every amount that way, including the round ones. Pair the choice with tabular figures and right alignment so the decimal separators stack into a single vertical line.