Airline co-branded cards
An airline co-brand card earns miles tied to one carrier. If you only fly once a year, you are accumulating miles slowly on a single program. If that airline does not serve your routes well or their award availability is limited, those miles are difficult to use. A flexible card that earns on any purchase and redeems against any travel purchase gives you far more options at low travel frequency.
High annual fee cards
Premium travel cards with $400 to $700 annual fees are built to be used heavily. They include monthly credits for dining, streaming, or hotel stays — credits you have to remember to use every month to get value. If you travel once a year, you are unlikely to offset those fees. The math only works for travelers who are in airports and hotels constantly.
Complex points programs
Some cards earn points that are only valuable if you transfer them to airline or hotel partners and book through award charts. Understanding transfer ratios and availability takes real time and effort. For a traveler taking one or two trips a year, the hours spent optimizing a points transfer rarely justify the marginal gain over a simple statement credit. Simple beats complex at low volume.