Makro ordering service problem

I'm very disappointed with the system of ordering stock in Makro. I really don't know who is doing this job because this thing is happening in all the Makro stores not just 1 store. I always raise my problem with the managers but no help. I have many vending machines around gauteng. I buy stock there everyday to different branches. Those goods that customers like they always bring few so that they get finish and you won't see it again in 2 months. Eg fritos sweet chili 48g.They order 4 boxes a week, every 1st customer who come first take all of them. Granadila 450 ml bottles are always not available. You find it once in 2 months. PLEASE Makro we are doing business not a game. Let your sales consultant take orders because they know what we need. Stop ordering in your offices you are ****ing our business. Even bacon sweets. You find a nice new flavour when you go back for more after a week its gone and you won't see it again in 6 months