IF you like them so much that you're going to wear them until they're worn out, you might as well buy all three now than one pair now and then another later If not, it's not "wrong", just unnecessary.
I try to apply this rule if I'm "in love" with similar items...
Winter riding is much less about badassery and much more about bundle-uppery. - malkin
1995 Kona Cinder Cone commuterFrankenbike/Selle Italia SLR Lady Gel Flow
2008 white Nakamura Summit Custom mtb/Terry Falcon X
2000 Schwinn Fastback Comp road bike/Specialized Jett