Good news: There’s still time to slash your tax burden, boost your retirement savings and get a head start on investing wisely in 2018 — all before Auld Lang Syne plays on New Year’s Eve. Bad news: You’ll need to take action — and soon. Use this simple checklist to save money and prepare your... More From NerdWallet Is Bitcoin Safe? Parent Trap: Supporting an Adult Child Will Cost Both of You Holiday Tipping Guide: Whom and How Much Anna-Louise Jackson is a writer at NerdWallet.