Here is the thing.....if you buy a pair of Frogs....they are cheap and there goes your one pair.....or you can buy a pair of C-6s and blow money like that and there goes your one pair. What would you RATHER get for your one pair during the month?That's all well and good until that hella deal pops up and you've already bought your 1 pair for the month. We need 1 pair a month and the option for another pair just in case.
I think it is better to set a monthly budget and try to stick to that and if you don't use it carry the funds into the next month and so on.