Three things

Here are 3

Pick one. Each takes about as long as it says.

• Never park across a dropped curb

  A car over a dropped curb can strand a wheelchair user on the wrong side of a road with no other crossing.

  5 minutesFreeA stranger

• Wait for someone who stammers

  Finishing the sentence of someone who stammers is meant to help and does the opposite every time.

  5 minutesFreeA stranger

• Tip in cash where the card tip may not reach them

  Card tips are sometimes pooled, taxed through payroll or partly retained. Cash usually goes to the person.

  5 minutesUnder $10A stranger