As rising costs and shrinking margins continue to hit independent grocers, competition with Coles and Woolworths is getting stiffer. But that is not stopping them from trying. As rising costs and shrinking margins continue to hit independent grocers, competition with Coles and Woolworths is getting stiffer. But that is not stopping them from trying. Supermarkets, Small Businesses, Regional Communities, Grocery Shopping, Cost of Living Latest business news