You cannot improve what you cannot see. For one month, record everything you spend, including the small things. At the end, group it by category and look for surprises. Most people find one or two areas where spending is higher than they thought.
General tips from the Cashflow Team, not financial, tax or legal advice. Your situation is different, so talk to a qualified professional before big decisions.
Track it in Cashflow
Cashflow: Budget Manager is a free app to scan receipts, set budgets and savings goals, and see where your money goes.