every little helps - Wiktionary, the free dictionary

• every little bit helps

every little helps

1. (UK) Even the smallest things are helpful when towards a goal.
   • 1980, Bernard MacLaverty, 'Lamb' (novel), (Chapter 1, at page 11 in the 1981 King Penguin paperback edition):

     "There's not much money - if that's what you mean."
     "Approximately."
     "Once all the debts are paid there will be very little."
     "Nevertheless. Every little helps. The Brothers are sorely in need of it this weather."

• many a mickle makes a muckle
• take care of the pennies and the pounds will take care of themselves
• a journey of a thousand miles begins with a single step
• little and often fills the purse