many a mickle makes a muckle, small things together become a large thing; literally dust, if piled up, becomes a mountain

a mountain (large mass of earth and rock) or (large) hill / a mine (excavation usually consisting of small tunnels) / a heap, pile / the top or high part of an object / a chance, gamble / a climax, peak

amount of money

everyday life; daily life

every day; daily

big, large, great

to pile up, to accumulate

to save money

putting money aside, savings, deposit

little by little