Set up an automatic transfer to a savings account on payday. Money that never reaches your everyday spending account is much harder to spend by accident. Start with an amount you will not miss, and raise it a little whenever your income goes up.
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.