A sign-up fee/subscription required
66
Rewards offered are not relevant to me
65
Rewards that are hard to obtain i.e. many points needed
64
Rewards offered are not good value
59
Rewards need to be redeemed quickly to avoid losing out
52
Too much hassle to enroll
51
Concerns about privacy/security of personal information
50
Not enough rewards offered
49
Value of points gets reduced
48