Waste of money on brushes

So thiss is the darn millionth time a bought this **** wanna be kolinsky lie of a brush R50 upwards. You use the piece of ******* not even with a full set and its ****ed. So please will i get a refumd for buyimg runish oh dont worry this works according to the person wprking in the store. Why do you sell ****img *******? Im so fedup with this **** i wish planet nails van close down