i know at work we have 3 styles of clip on weights. 1 for steel wheels and 2 different types for alloy wheels.
then there are all the different OZ of weights to balance. keeping a decent inventory will be $$$.
in my opinion you would be better off stopping by a tire store and paying a couple of $$ for a bucket full of used weights they will recycle for next to nothing or just toss in the trash. a lot of them would be unusable but the good ones you could end up paying $.01 on the dollar for usable weights that way.