Points rarely disappear all at once. They leak out slowly through expiration policies, weak redemptions, and devaluations that arrive with a quiet email nobody reads. Here is what actually drains a balance.

Letting points expire

Some programs expire points after a set period of account inactivity, sometimes as short as twelve to eighteen months. A single small transaction, like a magazine subscription through a shopping portal, is usually enough to reset the clock. Check your programs' rules instead of assuming loyalty points are permanent.

Redeeming for merchandise or gift cards

Converting points into merchandise, gift cards, or statement credits almost always returns a fraction of a cent per point, far below what a decent travel redemption pays. Save merchandise redemptions for points you were already planning to abandon.

Ignoring devaluations

Programs adjust award charts and transfer ratios with little warning. A balance that was worth a strong redemption last year can be worth noticeably less today. If you are holding points for a specific trip, book once availability and pricing line up instead of waiting for a mythical better day.

Booking too early or too late both cost you

Award space often opens further out than people expect and can vanish fast for popular routes, but it can also reopen closer to departure as airlines rebalance inventory. There is no single correct booking window -- check early, and check again periodically, instead of assuming one search settled the question.

Fees on 'free' tickets are real money

Some airlines and their partners tack on real fuel surcharges and carrier fees to award tickets that can run into hundreds of dollars, even though the flight itself is 'free' on points. Always check the total cash cost before booking, not just the points required, or a great-looking redemption can turn into an expensive one.

Best play

Keep balances active with small transactions if a program has expiration rules, avoid low-value merchandise redemptions, and treat a good award you can book today as better than a hypothetical better one next year.