No cash

I laybyed a pair of shoes at office paid by card collected it and didn't want it anymore trying to return it is a nightmare they never have cash and apparently they can not refund it back to my card went to two stores in Claremont and waterfront in cape town same storiy even at Truworths they have same issues when u buying cash and returning they don't have cash or have issues now I must waste petrol and time running around to get my money